Subtract 27/15 from 45/63
1st number: 45/63, 2nd number: 1 12/15
45/63 - 27/15 is -38/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
45/63 = 45 × 5/63 × 5 = 225/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
27/15 = 27 × 21/15 × 21 = 567/315 - Subtract the two like fractions:
225/315 - 567/315 = 225 - 567/315 = -342/315 - After reducing the fraction, the answer is -38/35
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