Add 10/9 and 30/12
1st number: 1 1/9, 2nd number: 2 6/12
10/9 + 30/12 is 65/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
10/9 = 10 × 4/9 × 4 = 40/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
30/12 = 30 × 3/12 × 3 = 90/36 - Add the two like fractions:
40/36 + 90/36 = 40 + 90/36 = 130/36 - 130/36 simplified gives 65/18
- So, 10/9 + 30/12 = 65/18
In mixed form: 311/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+30/12 10/9+60/12 10/18+30/12 10/9+30/24 30/9+30/12 10/9+90/12 10/27+30/12 10/9+30/36 50/9+30/12 10/45+30/12 10/9+30/60 70/9+30/12 10/63+30/12 10/9+30/84