Subtract 20/36 from 14/27, Solve 14/27

Subtract 20/36 from 14/27

14/27 - 20/36 is -1/27.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 36 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
14/27 = 14 × 4/27 × 4 = 56/108
Likewise, for the 2nd fraction, since 36 × 3 = 108,
20/36 = 20 × 3/36 × 3 = 60/108
Subtract the two like fractions:
56/108 - 60/108 = 56 - 60/108 = -4/108
After reducing the fraction, the answer is -1/27

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