Subtract 81/24 from 84/25
1st number: 3 9/25, 2nd number: 3 9/24
84/25 - 81/24 is -3/200.
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,
84/25 = 84 × 24/25 × 24 = 2016/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
81/24 = 81 × 25/24 × 25 = 2025/600 - Subtract the two like fractions:
2016/600 - 2025/600 = 2016 - 2025/600 = -9/600 - After reducing the fraction, the answer is -3/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50-81/24 84/25-81/48 84/75-81/24 84/25-81/72