Add 30/12 and 7/9
1st number: 2 6/12, 2nd number: 7/9
30/12 + 7/9 is 59/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
30/12 = 30 × 3/12 × 3 = 90/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
7/9 = 7 × 4/9 × 4 = 28/36 - Add the two like fractions:
90/36 + 28/36 = 90 + 28/36 = 118/36 - 118/36 simplified gives 59/18
- So, 30/12 + 7/9 = 59/18
In mixed form: 35/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+7/9 30/12+14/9 30/24+7/9 30/12+7/18 90/12+7/9 30/12+21/9 30/36+7/9 30/12+7/27 30/12+35/9 30/60+7/9 30/12+7/45 30/12+49/9 30/84+7/9 30/12+7/63