Subtract 35/14 from 42/27, Solve 1 15/27

Subtract 35/14 from 42/27

1^st number: 1 15/27, 2^nd number: 2 7/14

42/27 - 35/14 is -17/18.

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,
35/14 = 35 × 27/14 × 27 = 945/378
Subtract the two like fractions:
588/378 - 945/378 = 588 - 945/378 = -357/378
After reducing the fraction, the answer is -17/18

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