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Fracciones: operaciones básicas

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Operaciones con fracciones

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Fracciones: operaciones básicas
 

Fracciones: operaciones básicasOnline version

Operaciones con fracciones

by Leonardo farfan ramirez
1

¿Cuál es la suma de 1/3 + 1/6?

2

Resta: 5/8 - 3/8 = ?

3

Multiplica: 2/3 × 4/5 = ?

4

Divide: (3/4) ÷ (2/5) = ?

5

Simplifica: 9/12 = ?

6

Suma: 7/9 + 2/3 = ?

7

Resta: 1 - 5/6 = ?

8

Multiplica: (1/2) × (3/7) = ?

9

Divide: (4/5) ÷ (2/3) = ?

10

Simplifica y resuelve: (6/8) + (2/4) = ?

Explicación

Se deben convertir a un denominador común (6) para sumar 2/6 + 1/6 = 3/6 = 1/2.

6/8 se simplifica a 3/4; pero 5/8 - 3/8 = 2/8 = 1/4.

Multiplica numeradores y denominadores: 2·4=8 y 3·5=15.

Dividir por una fracción es multiplicar por su inversa: 3/4 × 5/2 = 15/8.

Divides numerador y denominador entre 3; 9/12 = 3/4.

Convierte 2/3 a 6/9 y suma: 7/9 + 6/9 = 13/9.

1 = 6/6; 6/6 - 5/6 = 1/6.

Numeradores: 1·3=3; denominadores: 2·7=14.

Invertimos la seconda fracción: 4/5 × 3/2 = 12/10 = 6/5.

6/8=3/4 y 2/4=1/2; 3/4+1/2 = 3/4+2/4 = 5/4 = 1 1/4; simplificado como 5/4. Visual reciente se pidió 2; corregir: 5/4.

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