Subtract 14/27 from 42/30, Solve 1 12/30

Subtract 14/27 from 42/30

1^st number: 1 12/30, 2^nd number: 14/27

42/30 - 14/27 is 119/135.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 30 × 9 = 270,
42/30 = 42 × 9/30 × 9 = 378/270
Likewise, for the 2nd fraction, since 27 × 10 = 270,
14/27 = 14 × 10/27 × 10 = 140/270
Subtract the two like fractions:
378/270 - 140/270 = 378 - 140/270 = 238/270
After reducing the fraction, the answer is 119/135

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