Subtract 3/12 from 56/15
1st number: 3 11/15, 2nd number: 3/12
56/15 - 3/12 is 209/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
3/12 = 3 × 5/12 × 5 = 15/60 - Subtract the two like fractions:
224/60 - 15/60 = 224 - 15/60 = 209/60 - In mixed form: 329/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-6/12 56/30-3/12 56/15-3/24 56/15-9/12 56/45-3/12 56/15-3/36 56/15-15/12 56/75-3/12 56/15-3/60 56/15-21/12 56/15-3/84