Subtract 3/14 from 42/27, Solve 1 15/27

Subtract 3/14 from 42/27

1^st number: 1 15/27, 2^nd number: 3/14

42/27 - 3/14 is 169/126.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 14 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 27 × 14 = 378,
42/27 = 42 × 14/27 × 14 = 588/378
Likewise, for the 2nd fraction, since 14 × 27 = 378,
3/14 = 3 × 27/14 × 27 = 81/378
Subtract the two like fractions:
588/378 - 81/378 = 588 - 81/378 = 507/378
After reducing the fraction, the answer is 169/126
In mixed form: 143/126

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