Subtract 81/49 from 24/25
1st number: 24/25, 2nd number: 1 32/49
24/25 - 81/49 is -849/1225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 49 is 1225
Next, find the equivalent fraction of both fractional numbers with denominator 1225 - For the 1st fraction, since 25 × 49 = 1225,
24/25 = 24 × 49/25 × 49 = 1176/1225 - Likewise, for the 2nd fraction, since 49 × 25 = 1225,
81/49 = 81 × 25/49 × 25 = 2025/1225 - Subtract the two like fractions:
1176/1225 - 2025/1225 = 1176 - 2025/1225 = -849/1225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/25-81/49 24/50-81/49 24/25-81/98 72/25-81/49 24/75-81/49