Add 6/9 and 15/30
6/9 + 15/30 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
6/9 = 6 × 10/9 × 10 = 60/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
15/30 = 15 × 3/30 × 3 = 45/90 - Add the two like fractions:
60/90 + 45/90 = 60 + 45/90 = 105/90 - 105/90 simplified gives 7/6
- So, 6/9 + 15/30 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9+15/30 6/18+15/30 6/9+15/60 18/9+15/30 6/9+45/30 6/27+15/30 6/9+15/90 30/9+15/30 6/9+75/30 6/45+15/30 42/9+15/30 6/63+15/30