Subtract 81/50 from 8/5
1st number: 1 3/5, 2nd number: 1 31/50
8/5 - 81/50 is -1/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 5 × 10 = 50,
8/5 = 8 × 10/5 × 10 = 80/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
81/50 = 81 × 1/50 × 1 = 81/50 - Subtract the two like fractions:
80/50 - 81/50 = 80 - 81/50 = -1/50
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