Subtract 81/60 from 1/3
1st number: 1/3, 2nd number: 1 21/60
1/3 - 81/60 is -61/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
1/3 = 1 × 20/3 × 20 = 20/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Subtract the two like fractions:
20/60 - 81/60 = 20 - 81/60 = -61/60
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