Subtract 72/60 from 15/45
1st number: 15/45, 2nd number: 1 12/60
15/45 - 72/60 is -13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
15/45 = 15 × 4/45 × 4 = 60/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
72/60 = 72 × 3/60 × 3 = 216/180 - Subtract the two like fractions:
60/180 - 216/180 = 60 - 216/180 = -156/180 - After reducing the fraction, the answer is -13/15
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