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Fracciones heterogéneas: suma y resta

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Fracciones heterogéneas: suma y resta

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Fracciones con diferentes denominadores

Created by

FANNY AMAYA RIAÑO
FANNY AMAYA RIAÑO
Colombia

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Fracciones heterogéneas: suma y resta
 

Fracciones heterogéneas: suma y restaOnline version

Fracciones con diferentes denominadores

by FANNY AMAYA RIAÑO
1

1) Suma 1/3 + 1/4. ¿Cuál es el resultado simplificado?

2

2) Resta 2/5 - 1/3. ¿Resultado simplificado?

3

3) Suma 3/8 + 5/6. ¿Resultado?

4

4) Resta 7/9 - 2/3. ¿Resultado?

5

5) Suma 4/5 + 1/2. ¿Resultado simplificado?

6

6) Resta 5/12 - 7/18. ¿Resultado?

7

7) Suma 2/3 + 3/4. ¿Resultado?

8

8) Resta 9/10 - 2/5. ¿Resultado?

9

9) Suma 11/14 + 3/7. ¿Resultado?

10

10) Resta 13/15 - 4/25. ¿Resultado?

Explicación

Se busca un denominador común (12) y luego simplificas si es posible.

Convierte a denominador 15 y resta, luego simplifica.

Denominadores 8 y 6: usar 24 y luego simplificar si procede.

Convierte 2/3 a 6/9 y resta.

Usa denominador 10 y luego expresa en número mixto si se desea.

Denominadores 12 y 18: usar 36 y resta.

Denominadores 3 y 4: común 12, luego simplificar si aplica.

Convierte 2/5 a 4/10 y resta a 9/10, luego simplifica.

3/7 equivale a 6/14; suma para obtener 17/14.

Usa denominadores 75 para restar y simplificar si corresponde.

 
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