Do you desire to know just how to to express fractions? You are in the right place! This lesson will be a milestone in your learning journey. Going v it, friend will recognize the differences and similarities of fractions between English and also languages, in addition to their number and also gender specifications. To simplify, this practical guide will covering these different sections:

the difference in between fractions and ordinal numbersthe most common fractionsthe different expressions for themthe suffix -avo and also -imopercentages and also decimals making use of fractions

¡Vamos por partes!Let’s go part by part!

Fractions vs Ordinal Numbers

First points first: fractions room equal components of a whole. When it involves math, that is stood for with a number referred to as the numerator, that goes top top top, and a denominator that goes in ~ the bottom. The numerator tells you how many parts that the totality are taken and also the denominator suggests how plenty of parts the totality was divided into. If you ate two parts of a cake the was separated into 7 parts, girlfriend ate 2/7th of the cake.

You are watching: How do you say fractions in spanish

On the various other hand, ordinal numbers designate a number to rank or bespeak parts. It deserve to be a competition (1st place, 2nd place), building floors (3rd floor, 4th floor), areas (5th house, second door, third traffic light) or procedures (first, you to water the milk, second, you to water the flour).

In order come express fountain in, cardinal numbers (1, 2, 3) and also ordinal number (1st, 2nd, 3rd) work-related together, one right after the other. The cardinal number is provided to explain the numerator and the ordinal number is provided to define the denominator. Keep analysis to uncover how to build fractions and what space the most typical ones!

Most common Fractions

Sure, a whole can be separated into a million parts, however it would certainly be an extremely unusual to do it on a cake. If counting come a million in can be advantageous occasionally, most real-life fractions room small. These tiny numbers have the right to be helpful when following a recipe, dividing a tiny area or to run a not-so-sophisticated statistic, of youngsters in a classroom for example. This is a table the goes from two fractions up to ten, in noun form.

English Fractions
Halfmitad, medio

When to use Medio, Media or Mitad

Both medio (masculine) and media (feminine) are adjectives that describe “fifty percent of” any kind of given noun. Meanwhile, mitad is a feminine noun. All 3 words mean “half,” however their intake is dependency on their role in the sentence.

In the adhering to examples, media and also medio explain the noun. Because they room adjectives, they execute not need an article (le, la).

Tengo media sandía.I have fifty percent a watermelon.

Tienes medio melón.You have half a melon.

La mitad is a feminine noun the stands alone. Once you divide a whole, like a watermelon or a melon, la mitad deserve to express “the half of” a feminine noun or a masculine noun.

Quiero comer la mitad de la sandía.I desire to eat fifty percent of the watermelon.

Ella se comió la mitad del pastel.She ate half of the cake.

La mitad de la gente estaba decepcionada.Half the the human being were disappointed.

Metí la mitad de los copos de nieve en una bolsa.I put fifty percent of the snowflakes in the bag.


Adjective (medio) vs Noun (la mitad)

In the following example, medio estadio works the same way the expression bello estadio does—adjective (medio, bello) + noun (estadio):

Medio estadio estaba gritando.Half the stadium was shouting.

In the adhering to example, la mitad de las personas works the same means the expression la mayoría de las personas does—noun (la mitad, la mayoría) + de + noun (las personas):

La mitad de ras personas en el estadio estaban gritando.Half the the human being at the stadium were shouting.

Since “half a person” (media persona) no exist, the expression rather divides the team of civilization into la mitad.

How to Express Fractions

In stimulate to describe fractions you need to understand a little about its formula in a sentence, that is two different expressions, its suffixes, and also how to take care of numbers and also genders. Through the end of the class you will be an experienced on the subject!

Formulating Fractions

Like the development says, cardinal and also ordinal number are required in order to express fractions. We will use two thirds, 2/5, together an example. But first, a fast refresher top top the parts of a fraction:

Dos quintos: 2/5

The number on optimal (2) is the numerator—in, el numerador.

The number on the bottom (5) is the denominator—in, el denominador.

Numerator: Dos (cardinal number)

Denominator: Quintos (ordinal number)

Numerators various other than one do the denominator plural, request an -s at the end, as with in English (two fifths). If you are not sure how to usage Numbers in you can go over that lesson before continuing.

When the numerator is one, like one fifth ⅕, usage the indefinite post un instead of uno.

Un quintoOne fifth / A fifth

Necesito un quinto de harina.I need a fifth of flour.

Tercio vs Tercera

Tercio and tercera room both state that translate to “third” in English and also refer to fountain of a entirety that have actually been separated into 3 equal parts.

However, words tercio is a masculine noun the is only provided for fractions:

Un tercio de la población prefiere comida dulce.A third of the population prefers sweet food.

Meanwhile, words tercera is a femenine adjective that has more than one purpose. You can say:

la tercera vez – the 3rd timela tercera persona – the third partyla tercera en la lista – 3rd on the list

In order to be considered a fraction, tercera must be complied with by the word parte:

La tercera parte de la población prefiere comida dulce.

The third component of the populace prefers sweet food.

Fractions as Adjectives

Considering the differences in between tercio and also tercera, we have the right to now relocate on come fraction expressions in adjective form. When their function in the sentence differs (noun vs. Adjective), their definition is essentially the same. Here are some an ext fractions in adjective form:

English Adjective
Halfmedio, media
Thirdtercera (parte)
Quartercuarta (parte)
Fifthquinta (parte)
Sixthsexta (parte)
Seventhséptima (parte)
Eighthoctava (parte)
Ninthnovena (parte)
Tenthdécima (parte)

Una mitad del pastel es verde y la otra es morada.One fifty percent of the cake is green and the other half is purple.

Mi papá comió la mitad del pie de manzana.My dad ate half of the apple pie.

Me gustaría la tercera parte del pastel.I’d choose a 3rd (part) of the cake.

Formula: fraction + De + Noun

When you usage fractions, you have the right to be more specific in her descriptions by making use of the formula fraction + de + noun

The preposition de undergoes transforms depending ~ above the kind of noun (or pronoun) that complies with it. Take a look:

1. De prior to possessive pronouns:

La mitad de mi casa.Half mine house.

Un tercio de tu vida.A 3rd of your life.

2. Del is a contraction of de and also el because that masculine nouns:

Un tercio del patio.One 3rd of the patio.

La quinta parte del mundo.A fifth part of the world.

3. De la uses if the noun is feminine:

La mitad de la taza.Half the cup.

Una sexta parte de la cocina.One sixth of the kitchen.

4. De lo que method “of what”:

Un cuarto de lo que me debes.A quarter of what you fan me.

La mitad de lo que necesito.Half that what ns need.

La octava parte de lo que gastas.The eighth component of what friend spend.

5. De los (masculine) and de las (feminine) describe plural nouns:

La mitad de los niños.Half the boys.

La séptima parte de las tartas.The seventh part of the tarts.


Sometimes girlfriend will should use multiples that room fractions together well. Two components of one or 2/1 can be construed as double. Six parts of 2 is the same as 6/2, the same as 3/1, the same as triple. Below are some instances of the most typical multiples in conversation:

English Multiples

The -avo Suffix

So far, did you do it learned around the most usual fractions. The perform goes from 2 come 10 or from mitad come décimo. Afterwards we went through a fast lesson of fountain as parts using femenine gender. However what happens after that number? That’s where the suffix -avo comes in handy! to express fountain from 11 come 99 you only need to add -avo:

English Fractions

Just prefer before, if you are in need to include the indigenous partes, psychic to adjust the gender from masculine come feminine by convert the -o in ~ the end of the suffix -avo come -a like this:

La veinteava parte.The twenty part.

When the number of parts happens to it is in something as high as 99, it’s less complicated to simply say “one out of ninety-nine,” or “one in ninety-nine” because that 1/99:

Uno sobre noventa y nueve.One out of ninety-nine.

Uno entre noventa y nueve.One in ninety-nine.

The -imo suffix

Do you want to know what wake up from the number 100 and also on? Wow, you room a yes, really thorough researcher! The -imo suffix helps us suggest minimal components of a whole, i beg your pardon is most frequently used come express percentages.

English fractions

A hundredth component can be analyzed to 1% or a thousandth come 0.1% come make part expressions easier. In the following section you will certainly learn how to use percentages and also decimals in


To to express percentages, simply use the cardinal number and add por ciento. For example:

Este producto es 10% (diez por ciento) azúcar.This product is 10% (ten percent) sugar.

20% (veinte por ciento) de la población prefiere clima frío.20% (twenty every cent) of the population prefer cold weather.


Decimals are written and also pronounced in two various ways. In Mexico, Puerto Rico, and main America the most common method of making use of this math expression is through a period (or “point”), similar to in the US:


Cinco punto ocho.Five allude eight.

In south America, Spain and the remainder of Europe, the comma is desired over the period and that looks like this:


Cinco coma ocho.

See more: 48 Oz Is How Many Liters Conversion, 48 Oz To Liters

Five comma eight.

Medio mundo desires to discover!

All the this knowledge around fractions will certainly vanish uneven you practice, and what better way to carry out it than v a indigenous speaker? nothing leave her studies a la mitad! authorize up for a tailored package with all the great you require today. Obtain high school credit while finding out 1-on-1 through a certified teacher indigenous Guatemala. HSA has actually 24,000 active students enrolled monthly and also has been more than 10 years in the company of do students speak like natives. Take it your complimentary class now!