Add 12/9 and 3/6
1st number: 1 3/9, 2nd number: 3/6
12/9 + 3/6 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
12/9 = 12 × 2/9 × 2 = 24/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
3/6 = 3 × 3/6 × 3 = 9/18 - Add the two like fractions:
24/18 + 9/18 = 24 + 9/18 = 33/18 - 33/18 simplified gives 11/6
- So, 12/9 + 3/6 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+3/6 12/18+3/6 12/9+3/12 36/9+3/6 12/9+9/6 12/27+3/6 12/9+3/18 60/9+3/6 12/9+15/6 12/45+3/6 12/9+3/30 84/9+3/6 12/9+21/6 12/63+3/6 12/9+3/42