Add 8/9 and 7/18
8/9 + 7/18 is 23/18.
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,
8/9 = 8 × 2/9 × 2 = 16/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
7/18 = 7 × 1/18 × 1 = 7/18 - Add the two like fractions:
16/18 + 7/18 = 16 + 7/18 = 23/18 - So, 8/9 + 7/18 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+7/18 8/9+14/18 8/18+7/18 8/9+7/36 24/9+7/18 8/9+21/18 8/27+7/18 8/9+7/54 40/9+7/18 8/9+35/18 8/45+7/18 8/9+7/90 56/9+7/18 8/9+49/18 8/63+7/18