Subtract 12/56 from 15/4, Solve 3 3/4

Subtract 12/56 from 15/4

1^st number: 3 3/4, 2^nd number: 12/56

15/4 - 12/56 is 99/28.

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,
15/4 = 15 × 14/4 × 14 = 210/56
Likewise, for the 2nd fraction, since 56 × 1 = 56,
12/56 = 12 × 1/56 × 1 = 12/56
Subtract the two like fractions:
210/56 - 12/56 = 210 - 12/56 = 198/56
After reducing the fraction, the answer is 99/28
In mixed form: 315/28

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