Subtract 81/50 from 4/8
1st number: 4/8, 2nd number: 1 31/50
4/8 - 81/50 is -28/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
4/8 = 4 × 25/8 × 25 = 100/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
81/50 = 81 × 4/50 × 4 = 324/200 - Subtract the two like fractions:
100/200 - 324/200 = 100 - 324/200 = -224/200 - After reducing the fraction, the answer is -28/25
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