Subtract 35/25 from 21/27
1st number: 21/27, 2nd number: 1 10/25
21/27 - 35/25 is -28/45.
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,
21/27 = 21 × 25/27 × 25 = 525/675 - Likewise, for the 2nd fraction, since 25 × 27 = 675,
35/25 = 35 × 27/25 × 27 = 945/675 - Subtract the two like fractions:
525/675 - 945/675 = 525 - 945/675 = -420/675 - After reducing the fraction, the answer is -28/45
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