Add 56/15 and 15/9
1st number: 3 11/15, 2nd number: 1 6/9
56/15 + 15/9 is 27/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 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 9 × 5 = 45,
15/9 = 15 × 5/9 × 5 = 75/45 - Add the two like fractions:
168/45 + 75/45 = 168 + 75/45 = 243/45 - 243/45 simplified gives 27/5
- So, 56/15 + 15/9 = 27/5
In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+30/9 56/30+15/9 56/15+15/18 56/15+45/9 56/45+15/9 56/15+15/27 56/15+75/9 56/75+15/9 56/15+15/45 56/15+15/63