Subtract 81/8 from 20/25
1st number: 20/25, 2nd number: 10 1/8
20/25 - 81/8 is -373/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
20/25 = 20 × 8/25 × 8 = 160/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
81/8 = 81 × 25/8 × 25 = 2025/200 - Subtract the two like fractions:
160/200 - 2025/200 = 160 - 2025/200 = -1865/200 - After reducing the fraction, the answer is -373/40
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