Subtract 63/14 from 25/54, Solve 25/54

Subtract 63/14 from 25/54

1^st number: 25/54, 2^nd number: 4 7/14

25/54 - 63/14 is -109/27.

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,
25/54 = 25 × 7/54 × 7 = 175/378
Likewise, for the 2nd fraction, since 14 × 27 = 378,
63/14 = 63 × 27/14 × 27 = 1701/378
Subtract the two like fractions:
175/378 - 1701/378 = 175 - 1701/378 = -1526/378
After reducing the fraction, the answer is -109/27

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