Subtract 25/27 from 21/25
21/25 - 25/27 is -58/675.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 25 × 27 = 675,
21/25 = 21 × 27/25 × 27 = 567/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
25/27 = 25 × 25/27 × 25 = 625/675 - Subtract the two like fractions:
567/675 - 625/675 = 567 - 625/675 = -58/675
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