Subtract 20/27 from 5/15
5/15 - 20/27 is -11/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
5/15 = 5 × 9/15 × 9 = 45/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Subtract the two like fractions:
45/135 - 100/135 = 45 - 100/135 = -55/135 - After reducing the fraction, the answer is -11/27
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