Subtract 7/56 from 21/16, Solve 1 5/16

Subtract 7/56 from 21/16

1^st number: 1 5/16, 2^nd number: 7/56

21/16 - 7/56 is 19/16.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 56 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112
Likewise, for the 2nd fraction, since 56 × 2 = 112,
7/56 = 7 × 2/56 × 2 = 14/112
Subtract the two like fractions:
147/112 - 14/112 = 147 - 14/112 = 133/112
After reducing the fraction, the answer is 19/16
In mixed form: 13/16

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