Subtract 60/84 from 3/72
3/72 - 60/84 is -113/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 84 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
3/72 = 3 × 7/72 × 7 = 21/504 - Likewise, for the 2nd fraction, since 84 × 6 = 504,
60/84 = 60 × 6/84 × 6 = 360/504 - Subtract the two like fractions:
21/504 - 360/504 = 21 - 360/504 = -339/504 - After reducing the fraction, the answer is -113/168
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