Add 7/9 and 7/30
7/9 + 7/30 is 91/90.
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,
7/9 = 7 × 10/9 × 10 = 70/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
7/30 = 7 × 3/30 × 3 = 21/90 - Add the two like fractions:
70/90 + 21/90 = 70 + 21/90 = 91/90 - So, 7/9 + 7/30 = 91/90
In mixed form: 11/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9+7/30 7/9+14/30 7/18+7/30 7/9+7/60 21/9+7/30 7/9+21/30 7/27+7/30 7/9+7/90 35/9+7/30 7/9+35/30 7/45+7/30 49/9+7/30 7/9+49/30 7/63+7/30