Subtract 50/7 from 27/54, Solve 27/54

Subtract 50/7 from 27/54

1^st number: 27/54, 2^nd number: 7 1/7

27/54 - 50/7 is -93/14.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
27/54 = 27 × 7/54 × 7 = 189/378
Likewise, for the 2nd fraction, since 7 × 54 = 378,
50/7 = 50 × 54/7 × 54 = 2700/378
Subtract the two like fractions:
189/378 - 2700/378 = 189 - 2700/378 = -2511/378
After reducing the fraction, the answer is -93/14

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