Subtract 4/56 from 21/2, Solve 10 1/2

Subtract 4/56 from 21/2

1^st number: 10 1/2, 2^nd number: 4/56

21/2 - 4/56 is 73/7.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 2 × 28 = 56,
21/2 = 21 × 28/2 × 28 = 588/56
Likewise, for the 2nd fraction, since 56 × 1 = 56,
4/56 = 4 × 1/56 × 1 = 4/56
Subtract the two like fractions:
588/56 - 4/56 = 588 - 4/56 = 584/56
After reducing the fraction, the answer is 73/7
In mixed form: 103/7

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