Subtract 7/72 from 56/16, Solve 3 8/16

Subtract 7/72 from 56/16

1^st number: 3 8/16, 2^nd number: 7/72

56/16 - 7/72 is 245/72.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 16 × 9 = 144,
56/16 = 56 × 9/16 × 9 = 504/144
Likewise, for the 2nd fraction, since 72 × 2 = 144,
7/72 = 7 × 2/72 × 2 = 14/144
Subtract the two like fractions:
504/144 - 14/144 = 504 - 14/144 = 490/144
After reducing the fraction, the answer is 245/72
In mixed form: 329/72

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