Subtract 5/15 from 5/27
5/27 - 5/15 is -4/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
5/27 = 5 × 5/27 × 5 = 25/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
5/15 = 5 × 9/15 × 9 = 45/135 - Subtract the two like fractions:
25/135 - 45/135 = 25 - 45/135 = -20/135 - After reducing the fraction, the answer is -4/27
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