Subtract 81/10 from 80/25
1st number: 3 5/25, 2nd number: 8 1/10
80/25 - 81/10 is -49/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
80/25 = 80 × 2/25 × 2 = 160/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
81/10 = 81 × 5/10 × 5 = 405/50 - Subtract the two like fractions:
160/50 - 405/50 = 160 - 405/50 = -245/50 - After reducing the fraction, the answer is -49/10
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