Subtract 81/50 from 60/40
1st number: 1 20/40, 2nd number: 1 31/50
60/40 - 81/50 is -3/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
60/40 = 60 × 5/40 × 5 = 300/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
81/50 = 81 × 4/50 × 4 = 324/200 - Subtract the two like fractions:
300/200 - 324/200 = 300 - 324/200 = -24/200 - After reducing the fraction, the answer is -3/25
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