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Earn +20 ptsQ: Do you need to have a reciprocal when multiplying fractions?
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When dividing fractions is a reciprocal used by multiplying?
Yes. One method for dividing fractions is to multiply the numerator fraction by the reciprocal of the denominator fraction.
Why does multiplying a reciprocal work in division fractions?
Because multiplication and division are inverse operations. And the reciprocal of a number is its multiplicative inverse.
Why do you have to switch the numerator and denominator when dividing fractions?
This is because dividing by a number is the same as multiplying by its reciprocal.
Why does the method of dividing fractions work?
This is related to the fact that dividing by a number is the same as multiplying with the number's reciprocal.
Do you need a common denominator multiplying fractions?
No.
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