Subtract 10/15 from 10/27
10/27 - 10/15 is -8/27.
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,
10/27 = 10 × 5/27 × 5 = 50/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
10/15 = 10 × 9/15 × 9 = 90/135 - Subtract the two like fractions:
50/135 - 90/135 = 50 - 90/135 = -40/135 - After reducing the fraction, the answer is -8/27
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