Subtract 81/10 from 18/25
1st number: 18/25, 2nd number: 8 1/10
18/25 - 81/10 is -369/50.
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,
18/25 = 18 × 2/25 × 2 = 36/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
81/10 = 81 × 5/10 × 5 = 405/50 - Subtract the two like fractions:
36/50 - 405/50 = 36 - 405/50 = -369/50
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