Subtract 60/42 from 15/72
1st number: 15/72, 2nd number: 1 18/42
15/72 - 60/42 is -205/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
60/42 = 60 × 12/42 × 12 = 720/504 - Subtract the two like fractions:
105/504 - 720/504 = 105 - 720/504 = -615/504 - After reducing the fraction, the answer is -205/168
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