Add 2/9 and 20/12
1st number: 2/9, 2nd number: 1 8/12
2/9 + 20/12 is 17/9.
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,
2/9 = 2 × 4/9 × 4 = 8/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
20/12 = 20 × 3/12 × 3 = 60/36 - Add the two like fractions:
8/36 + 60/36 = 8 + 60/36 = 68/36 - 68/36 simplified gives 17/9
- So, 2/9 + 20/12 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9+20/12 2/9+40/12 2/18+20/12 2/9+20/24 6/9+20/12 2/9+60/12 2/27+20/12 2/9+20/36 10/9+20/12 2/45+20/12 2/9+20/60 14/9+20/12 2/63+20/12 2/9+20/84