Subtract 81/50 from 10/40
1st number: 10/40, 2nd number: 1 31/50
10/40 - 81/50 is -137/100.
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,
10/40 = 10 × 5/40 × 5 = 50/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
81/50 = 81 × 4/50 × 4 = 324/200 - Subtract the two like fractions:
50/200 - 324/200 = 50 - 324/200 = -274/200 - After reducing the fraction, the answer is -137/100
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