Subtract 60/45 from 15/21
1st number: 15/21, 2nd number: 1 15/45
15/21 - 60/45 is -13/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
15/21 = 15 × 15/21 × 15 = 225/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
60/45 = 60 × 7/45 × 7 = 420/315 - Subtract the two like fractions:
225/315 - 420/315 = 225 - 420/315 = -195/315 - After reducing the fraction, the answer is -13/21
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