Subtract 5/45 from 56/15
1st number: 3 11/15, 2nd number: 5/45
56/15 - 5/45 is 163/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
56/15 = 56 × 3/15 × 3 = 168/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
5/45 = 5 × 1/45 × 1 = 5/45 - Subtract the two like fractions:
168/45 - 5/45 = 168 - 5/45 = 163/45 - In mixed form: 328/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-10/45 56/30-5/45 56/15-5/90 56/15-15/45 56/45-5/45 56/15-25/45 56/75-5/45 56/15-35/45