Add 12/6 and 3/9
1st number: 2 0/6, 2nd number: 3/9
12/6 + 3/9 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
12/6 = 12 × 3/6 × 3 = 36/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
3/9 = 3 × 2/9 × 2 = 6/18 - Add the two like fractions:
36/18 + 6/18 = 36 + 6/18 = 42/18 - 42/18 simplified gives 7/3
- So, 12/6 + 3/9 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6+3/9 12/6+6/9 12/6+3/18 36/6+3/9 12/18+3/9 12/6+3/27 60/6+3/9 12/6+15/9 12/30+3/9 12/6+3/45 84/6+3/9 12/6+21/9 12/42+3/9 12/6+3/63