Subtract 14/21 from 27/12, Solve 2 3/12

Subtract 14/21 from 27/12

1^st number: 2 3/12, 2^nd number: 14/21

27/12 - 14/21 is 19/12.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84
Subtract the two like fractions:
189/84 - 56/84 = 189 - 56/84 = 133/84
After reducing the fraction, the answer is 19/12
In mixed form: 17/12

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