Subtract 9/25 from 7/27
7/27 - 9/25 is -68/675.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 25 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 27 × 25 = 675,
7/27 = 7 × 25/27 × 25 = 175/675 - Likewise, for the 2nd fraction, since 25 × 27 = 675,
9/25 = 9 × 27/25 × 27 = 243/675 - Subtract the two like fractions:
175/675 - 243/675 = 175 - 243/675 = -68/675
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