Subtract 81/24 from 20/25
1st number: 20/25, 2nd number: 3 9/24
20/25 - 81/24 is -103/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 24 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 25 × 24 = 600,
20/25 = 20 × 24/25 × 24 = 480/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
81/24 = 81 × 25/24 × 25 = 2025/600 - Subtract the two like fractions:
480/600 - 2025/600 = 480 - 2025/600 = -1545/600 - After reducing the fraction, the answer is -103/40
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