Subtract 81/7 from 10/25
1st number: 10/25, 2nd number: 11 4/7
10/25 - 81/7 is -391/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
10/25 = 10 × 7/25 × 7 = 70/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
81/7 = 81 × 25/7 × 25 = 2025/175 - Subtract the two like fractions:
70/175 - 2025/175 = 70 - 2025/175 = -1955/175 - After reducing the fraction, the answer is -391/35
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