Subtract 2/28 from 20/54, Solve 20/54

Subtract 2/28 from 20/54

20/54 - 2/28 is 113/378.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 54 × 14 = 756,
20/54 = 20 × 14/54 × 14 = 280/756
Likewise, for the 2nd fraction, since 28 × 27 = 756,
2/28 = 2 × 27/28 × 27 = 54/756
Subtract the two like fractions:
280/756 - 54/756 = 280 - 54/756 = 226/756
After reducing the fraction, the answer is 113/378

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