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Why do you need a reciprocal when you divide a fraction?

Anonymous

∙ 10y ago

Updated: 12/11/2022

You do not need it! Sometimes it is simpler to multiply by a number's reciprocal than to divide by it but that is not always the case.

Wiki User

∙ 10y ago

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Q: Why do you need a reciprocal when you divide a fraction?

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When you divide one fraction and another why do you have to turn it into a reciprocal?

To divide by a fraction, you multiply by its reciprocal. This is related to the facts that (1) division is the opposite of multiplication, and (2) a reciprocal is the multiplicative "opposite" of a number.

When do you take the reciprocal of a fraction?

You take the reciprocal of a fraction when you want to invert the numerator and the denominator. The reciprocal of a fraction is found by flipping the fraction upside down. For example, the reciprocal of 2/3 is 3/2.

What is the reciprocal of -p over 4?

Reciprocal just means that you flip the fraction... your fraction is -p/4 the reciprocal is 4/-p the reciprocal is extremely important when dividing fractions. because when you divide fractions you have to take the reciprocal of the bottom fraction and then multiply it to your top fraction to get your answer.

How can you dvide fractions?

To divide a fraction by a fraction, multiply the first fraction by the reciprocal of the second one.

How do you divide a negative number by a positive fraction?

You multiply the negative number by the reciprocal of the fraction.

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