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Resta de fracciones: igual y distinto denom.

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Resta de fracciones: igual y distinto denom.

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Desafío de fracciones

Created by

Tatiana Hernández
Tatiana Hernández
Guatemala

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Resta de fracciones: igual y distinto denom.
 

Resta de fracciones: igual y distinto denom.Online version

Desafío de fracciones

by Tatiana Hernández
1

¿Qué paso principal para restar fracciones con denominadores iguales?

2

Al restar fracciones con distinto denominador, ¿qué se debe hacer primero?

3

¿Qué es un mínimo común denominador (MCD) en restas de fracciones?

4

¿Qué sucede si restas 3/4 - 1/6 sin convertir denominadores?

5

Cuál es la fracción resultante de (2/5) - (1/5)?

6

¿Cómo se obtiene el denominador común para 3/8 y 5/12?

7

Restando 7/9 - 2/3, ¿qué pasa con el 2/3 al convertir a denominator 9?

8

Si restas 5/7 - 2/14, ¿cuál es el denominador común correcto?

9

Problema rápido: 4/9 - 1/3, la fracción equivalente de 1/3 con denominator 9 es:

10

Qué opción describe bien una resta de fracciones con igual denominador?

Explicación

Con denominadores iguales solo restas los numeradores; los denominadores permanecen.

Para poder restar, se deben expresar con el mismo denominador.

El MCD permite convertir a fracciones equivalentes con denominador común.

Sin un denominador común no puedes restar correctamente.

Con denominadores iguales se restan numeradores.

El MCM es el denominador común más pequeño posible.

2/3 = 6/9 para denominador 9.

14 es el mínimo común múltiplo de 7 y 14.

1/3 = 3/9.

Se restan los numeradores manteniendo el denominador.

 
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