Subtract 27/49 from 4/54, Solve 4/54

Subtract 27/49 from 4/54

4/54 - 27/49 is -631/1323.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 54 × 49 = 2646,
4/54 = 4 × 49/54 × 49 = 196/2646
Likewise, for the 2nd fraction, since 49 × 54 = 2646,
27/49 = 27 × 54/49 × 54 = 1458/2646
Subtract the two like fractions:
196/2646 - 1458/2646 = 196 - 1458/2646 = -1262/2646
After reducing the fraction, the answer is -631/1323

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