
Multiplicaciones y divisiones con fracciones
Presentation
•
Mathematics
•
7th Grade
•
Hard
Heidy Moncerrate
Used 1+ times
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5 Slides • 0 Questions
1
Multiplicaciones y divisiones con fracciones
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Para multiplicar dos fracciones, simplemente multiplica los numeradores para obtener el numerador del producto y multiplica los denominadores para obtener el denominador del producto.
Ejemplo:
72x 53=7x52x3=356
3
Para dividir dos fracciones, primero debes hallar el recíproco del divisor. Esto significa que debes dar vuelta la segunda fracción.
Ejemplo:1043÷21
Invierte la segunda fracción y multiplica.
1043÷21= 1043×12 =1086
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Practiquemos con la multiplicación
64×95=
58x 26 =
412 x 107 =
98x 23 =
5
Practiquemos con la división
56÷94 =
215×425 =
4120x 27 =
306x 46 =
Multiplicaciones y divisiones con fracciones
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