Subtract 14/16 from 84/72, Solve 1 12/72

Subtract 14/16 from 84/72

1^st number: 1 12/72, 2^nd number: 14/16

84/72 - 14/16 is 7/24.

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

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 72 × 2 = 144,
84/72 = 84 × 2/72 × 2 = 168/144
Likewise, for the 2nd fraction, since 16 × 9 = 144,
14/16 = 14 × 9/16 × 9 = 126/144
Subtract the two like fractions:
168/144 - 126/144 = 168 - 126/144 = 42/144
After reducing the fraction, the answer is 7/24

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