Subtract 3/8 from 56/15
1st number: 3 11/15, 2nd number: 3/8
56/15 - 3/8 is 403/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
56/15 = 56 × 8/15 × 8 = 448/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
3/8 = 3 × 15/8 × 15 = 45/120 - Subtract the two like fractions:
448/120 - 45/120 = 448 - 45/120 = 403/120 - In mixed form: 343/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-6/8 56/30-3/8 56/15-3/16 56/15-9/8 56/45-3/8 56/15-3/24 56/15-15/8 56/75-3/8 56/15-3/40 56/15-21/8 56/15-3/56