Subtract 7/3 from 81/60
1st number: 1 21/60, 2nd number: 2 1/3
81/60 - 7/3 is -59/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
7/3 = 7 × 20/3 × 20 = 140/60 - Subtract the two like fractions:
81/60 - 140/60 = 81 - 140/60 = -59/60
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