Subtract 81/50 from 7/8
1st number: 7/8, 2nd number: 1 31/50
7/8 - 81/50 is -149/200.
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,
7/8 = 7 × 25/8 × 25 = 175/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
81/50 = 81 × 4/50 × 4 = 324/200 - Subtract the two like fractions:
175/200 - 324/200 = 175 - 324/200 = -149/200
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