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MatemáticasMatemáticas632 views·Updated Jun 19, 2026·1 page

Fracciones: Aprende a Sumar y Restar

L
luisa cardenas@lu2909

Las fracciones son una parte esencial de las matemáticas que...

1
of 1
# FRACciones

"sumas y restas"

$\frac{x3}{5}$ + $\frac{(2)4}{6}$ $\rightarrow$ Se multiplican los
denominadores para
obtener uno que sea
co

Sumas y Restas de Fracciones

¿Sabés que sumar fracciones es como combinar pedazos de diferentes tortas? La clave está en encontrar un denominador común que te permita trabajar con las mismas "porciones".

El método es súper directo: multiplicás los denominadores entre sí para obtener un denominador común. Después, ajustás cada numerador multiplicándolo por el denominador de la otra fracción. Por ejemplo, en 35+26\frac{3}{5} + \frac{2}{6}, multiplicás 5 × 6 = 30, luego 3 × 6 = 18 y 2 × 5 = 10.

El resultado final es 18+1030=2830\frac{18 + 10}{30} = \frac{28}{30}. Para las restas funciona exactamente igual, pero restás los numeradores en lugar de sumarlos, como en 6729=541463=4063\frac{6}{7} - \frac{2}{9} = \frac{54 - 14}{63} = \frac{40}{63}.

¡Dato clave! Siempre verificá tus respuestas simplificando la fracción final si es posible. Esto te ayudará a evitar errores en exámenes.

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Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

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Most popular content in Matemáticas

9

Most popular content

9

Can't find what you're looking for? Explore other subjects.

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4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user

MatemáticasMatemáticas632 views·Updated Jun 19, 2026·1 page

Fracciones: Aprende a Sumar y Restar

L
luisa cardenas@lu2909

Las fracciones son una parte esencial de las matemáticas que usas constantemente en la vida real, desde dividir una pizza hasta calcular descuentos. Dominar las sumas y restas de fracciones te dará la confianza para resolver problemas matemáticos más complejos.

1
of 1
# FRACciones

"sumas y restas"

$\frac{x3}{5}$ + $\frac{(2)4}{6}$ $\rightarrow$ Se multiplican los
denominadores para
obtener uno que sea
co

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Sumas y Restas de Fracciones

¿Sabés que sumar fracciones es como combinar pedazos de diferentes tortas? La clave está en encontrar un denominador común que te permita trabajar con las mismas "porciones".

El método es súper directo: multiplicás los denominadores entre sí para obtener un denominador común. Después, ajustás cada numerador multiplicándolo por el denominador de la otra fracción. Por ejemplo, en 35+26\frac{3}{5} + \frac{2}{6}, multiplicás 5 × 6 = 30, luego 3 × 6 = 18 y 2 × 5 = 10.

El resultado final es 18+1030=2830\frac{18 + 10}{30} = \frac{28}{30}. Para las restas funciona exactamente igual, pero restás los numeradores en lugar de sumarlos, como en 6729=541463=4063\frac{6}{7} - \frac{2}{9} = \frac{54 - 14}{63} = \frac{40}{63}.

¡Dato clave! Siempre verificá tus respuestas simplificando la fracción final si es posible. Esto te ayudará a evitar errores en exámenes.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content in Matemáticas

9

Most popular content

9

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user