Add 8/15 and 15/9
1st number: 8/15, 2nd number: 1 6/9
8/15 + 15/9 is 11/5.
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,
8/15 = 8 × 3/15 × 3 = 24/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
15/9 = 15 × 5/9 × 5 = 75/45 - Add the two like fractions:
24/45 + 75/45 = 24 + 75/45 = 99/45 - 99/45 simplified gives 11/5
- So, 8/15 + 15/9 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+15/9 8/15+30/9 8/30+15/9 8/15+15/18 24/15+15/9 8/15+45/9 8/45+15/9 8/15+15/27 40/15+15/9 8/15+75/9 8/75+15/9 8/15+15/45 56/15+15/9 8/15+15/63