Subtract 2/30 from 81/60
1st number: 1 21/60, 2nd number: 2/30
81/60 - 2/30 is 77/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 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 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Subtract the two like fractions:
81/60 - 4/60 = 81 - 4/60 = 77/60 - In mixed form: 117/60
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