Add 56/18 and 3/15
1st number: 3 2/18, 2nd number: 3/15
56/18 + 3/15 is 149/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
56/18 = 56 × 5/18 × 5 = 280/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
3/15 = 3 × 6/15 × 6 = 18/90 - Add the two like fractions:
280/90 + 18/90 = 280 + 18/90 = 298/90 - 298/90 simplified gives 149/45
- So, 56/18 + 3/15 = 149/45
In mixed form: 314/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+6/15 56/36+3/15 56/18+3/30 56/18+9/15 56/54+3/15 56/18+3/45 56/90+3/15 56/18+3/75 56/18+21/15