Subtract 27/54 from 20/14, Solve 1 6/14

Subtract 27/54 from 20/14

1^st number: 1 6/14, 2^nd number: 27/54

20/14 - 27/54 is 13/14.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
20/14 = 20 × 27/14 × 27 = 540/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
27/54 = 27 × 7/54 × 7 = 189/378
Subtract the two like fractions:
540/378 - 189/378 = 540 - 189/378 = 351/378
After reducing the fraction, the answer is 13/14

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