Subtract 3/21 from 14/54, Solve 14/54

Subtract 3/21 from 14/54

14/54 - 3/21 is 22/189.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
14/54 = 14 × 7/54 × 7 = 98/378
Likewise, for the 2nd fraction, since 21 × 18 = 378,
3/21 = 3 × 18/21 × 18 = 54/378
Subtract the two like fractions:
98/378 - 54/378 = 98 - 54/378 = 44/378
After reducing the fraction, the answer is 22/189

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