Answers

2015-05-21T19:13:58+08:00

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We just subtract 7 5/7 from 118 \frac{2}{7}- 7\frac{5}{7}  = \frac{128-54}{7} = \frac{74}{7} =10 \frac{4}{7} m8 2/7.

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2015-05-22T12:39:39+08:00

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Change to improper fraction:
7 \frac{5}{7}=\frac{54}{7}
18 \frac{2}{7}=\frac{128}{7}

Subtract fractions:
\frac{128}{7}-\frac{54}{7}=\frac{74}{7}

Convert to mixed fraction
10\frac{4}{7}

Hope this helps =)

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