Subtract 21/49 from 14/12, Solve 1 2/12

Subtract 21/49 from 14/12

1^st number: 1 2/12, 2^nd number: 21/49

14/12 - 21/49 is 31/42.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 12 × 49 = 588,
14/12 = 14 × 49/12 × 49 = 686/588
Likewise, for the 2nd fraction, since 49 × 12 = 588,
21/49 = 21 × 12/49 × 12 = 252/588
Subtract the two like fractions:
686/588 - 252/588 = 686 - 252/588 = 434/588
After reducing the fraction, the answer is 31/42

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