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Adición y sustacción de Racionales

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(15)
En la adición de racionales se presentan dos casos:

Si los racionales son homogéneos (igual denominador) se suman los numeradores y se escribe el mismo denominador.

Si los racionales son heterogéneos ( diferente denominador ), se calcula el mínimo común múltiplo de los denominadores para encontrar fracciones equivalentes a cada sumando y convertir los sumandos heterogéneos en homogéneos.
matemáticas 7º Secundaria adiciòn q homogeneas heterogeneas Recommended age: 11 years old
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