Subtract 12/56 from 21/4, Solve 5 1/4

Subtract 12/56 from 21/4

1^st number: 5 1/4, 2^nd number: 12/56

21/4 - 12/56 is 141/28.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 4 × 14 = 56,
21/4 = 21 × 14/4 × 14 = 294/56
Likewise, for the 2nd fraction, since 56 × 1 = 56,
12/56 = 12 × 1/56 × 1 = 12/56
Subtract the two like fractions:
294/56 - 12/56 = 294 - 12/56 = 282/56
After reducing the fraction, the answer is 141/28
In mixed form: 51/28

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