Subtract 28/14 from 1/54, Solve 1/54

Subtract 28/14 from 1/54

1^st number: 1/54, 2^nd number: 2 0/14

1/54 - 28/14 is -107/54.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
1/54 = 1 × 7/54 × 7 = 7/378
Likewise, for the 2nd fraction, since 14 × 27 = 378,
28/14 = 28 × 27/14 × 27 = 756/378
Subtract the two like fractions:
7/378 - 756/378 = 7 - 756/378 = -749/378
After reducing the fraction, the answer is -107/54

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