Add 6/9 and 9/18
6/9 + 9/18 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
6/9 = 6 × 2/9 × 2 = 12/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
9/18 = 9 × 1/18 × 1 = 9/18 - Add the two like fractions:
12/18 + 9/18 = 12 + 9/18 = 21/18 - 21/18 simplified gives 7/6
- So, 6/9 + 9/18 = 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+9/18 6/18+9/18 6/9+9/36 18/9+9/18 6/9+27/18 6/27+9/18 6/9+9/54 30/9+9/18 6/9+45/18 6/45+9/18 6/9+9/90 42/9+9/18 6/9+63/18 6/63+9/18