Subtract 81/60 from 1/8
1st number: 1/8, 2nd number: 1 21/60
1/8 - 81/60 is -49/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
1/8 = 1 × 15/8 × 15 = 15/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
81/60 = 81 × 2/60 × 2 = 162/120 - Subtract the two like fractions:
15/120 - 162/120 = 15 - 162/120 = -147/120 - After reducing the fraction, the answer is -49/40
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