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Debora [2.8K]
4 years ago
14

Why can you use fraction multiplication to check the answer to a fraction division problem? How do you use multiplication to che

ck a division problem?
Mathematics
2 answers:
erica [24]4 years ago
6 0
Fraction division is basically multiplication of a reciprocal.

For example (1/4)/(1/8) = (1/4)x(8/1)=2

Multiplication of the answer and the piece that divides (in this case 2 x 1/8), you should get the piece that is being divided (in this case 1/4). If that is correct, then your division is correct.
cluponka [151]4 years ago
3 0

Division and multiplication are inverse operations. This means they "undo" each other. You can check your answer by multiplying the quotient by the divisor. You should get the dividend.

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