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One hour consists of 60 minutes. Therefore, our fraction we need is 48/60.

If we put 48/60 into a calculator, we obtain 0.8.

0.8 as a fraction of 1 is 4/5. Thus, 48 minutes is 4/5 of 60.

A good knowledge of the 12 times table removes the need for the calculator in thus example (12,24,36,48,60...).

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13y ago

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