Subtract 42/54 from 6/14, Solve 6/14

Subtract 42/54 from 6/14

6/14 - 42/54 is -22/63.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
6/14 = 6 × 27/14 × 27 = 162/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
42/54 = 42 × 7/54 × 7 = 294/378
Subtract the two like fractions:
162/378 - 294/378 = 162 - 294/378 = -132/378
After reducing the fraction, the answer is -22/63

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