Subtract 7/15 from 8/27
8/27 - 7/15 is -23/135.
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,
8/27 = 8 × 5/27 × 5 = 40/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
7/15 = 7 × 9/15 × 9 = 63/135 - Subtract the two like fractions:
40/135 - 63/135 = 40 - 63/135 = -23/135
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