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You divide the numerator (top) by the GCF to give you the numerator for the reduced fraction. You divide the denominator (bottom) by the GCF to give you the denominator of the reduced fraction. DONE!

For example, 27/45

GCF(27, 45) = 9

Numerator of reduced fraction = 27/9 = 3

Denominator of reduced fraction = 45/9 = 5

So reduced fraction = 3/5

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13y ago

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Divide the numerator and the denominator by their GCF.

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9y ago
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Q: How do you reduce fractions using the GCF?
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