Subtract 21/27 from 42/25
1st number: 1 17/25, 2nd number: 21/27
42/25 - 21/27 is 203/225.
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,
42/25 = 42 × 27/25 × 27 = 1134/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
21/27 = 21 × 25/27 × 25 = 525/675 - Subtract the two like fractions:
1134/675 - 525/675 = 1134 - 525/675 = 609/675 - After reducing the fraction, the answer is 203/225
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