Subtract 48/6 from 21/56, Solve 21/56

Subtract 48/6 from 21/56

1^st number: 21/56, 2^nd number: 8 0/6

21/56 - 48/6 is -61/8.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 6 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168
Likewise, for the 2nd fraction, since 6 × 28 = 168,
48/6 = 48 × 28/6 × 28 = 1344/168
Subtract the two like fractions:
63/168 - 1344/168 = 63 - 1344/168 = -1281/168
After reducing the fraction, the answer is -61/8

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