Subtract 81/80 from 8/25
1st number: 8/25, 2nd number: 1 1/80
8/25 - 81/80 is -277/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
8/25 = 8 × 16/25 × 16 = 128/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
81/80 = 81 × 5/80 × 5 = 405/400 - Subtract the two like fractions:
128/400 - 405/400 = 128 - 405/400 = -277/400
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