Subtract 25/27 from 7/15
7/15 - 25/27 is -62/135.
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,
7/15 = 7 × 9/15 × 9 = 63/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
25/27 = 25 × 5/27 × 5 = 125/135 - Subtract the two like fractions:
63/135 - 125/135 = 63 - 125/135 = -62/135
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