Subtract 4/12 from 56/15, Solve 3 11/15

Subtract 4/12 from 56/15

1^st number: 3 11/15, 2^nd number: 4/12

56/15 - 4/12 is 17/5.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60
Subtract the two like fractions:
224/60 - 20/60 = 224 - 20/60 = 204/60
After reducing the fraction, the answer is 17/5
In mixed form: 32/5

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