Subtract 21/75 from 7/27
7/27 - 21/75 is -14/675.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 75 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 75 × 9 = 675,
21/75 = 21 × 9/75 × 9 = 189/675 - Subtract the two like fractions:
175/675 - 189/675 = 175 - 189/675 = -14/675
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