Subtract 81/7 from 28/25
1st number: 1 3/25, 2nd number: 11 4/7
28/25 - 81/7 is -1829/175.
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,
28/25 = 28 × 7/25 × 7 = 196/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
81/7 = 81 × 25/7 × 25 = 2025/175 - Subtract the two like fractions:
196/175 - 2025/175 = 196 - 2025/175 = -1829/175
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