Subtract 24/15 from 25/8
1st number: 3 1/8, 2nd number: 1 9/15
25/8 - 24/15 is 61/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
25/8 = 25 × 15/8 × 15 = 375/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
24/15 = 24 × 8/15 × 8 = 192/120 - Subtract the two like fractions:
375/120 - 192/120 = 375 - 192/120 = 183/120 - After reducing the fraction, the answer is 61/40
- In mixed form: 121/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8-24/15 25/8-48/15 25/16-24/15 25/8-24/30 75/8-24/15 25/8-72/15 25/24-24/15 25/8-24/45 25/40-24/15 25/8-24/75 25/56-24/15