Subtract 81/40 from 5/6
1st number: 5/6, 2nd number: 2 1/40
5/6 - 81/40 is -143/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
5/6 = 5 × 20/6 × 20 = 100/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
81/40 = 81 × 3/40 × 3 = 243/120 - Subtract the two like fractions:
100/120 - 243/120 = 100 - 243/120 = -143/120
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