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5 December, 15:37

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

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  1. 5 December, 16:45
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    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.
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