Subtract 81/60 from 8/12
1st number: 8/12, 2nd number: 1 21/60
8/12 - 81/60 is -41/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Subtract the two like fractions:
40/60 - 81/60 = 40 - 81/60 = -41/60
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