Add 18/9 and 3/6
1st number: 2 0/9, 2nd number: 3/6
18/9 + 3/6 is 5/2.
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,
18/9 = 18 × 2/9 × 2 = 36/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
3/6 = 3 × 3/6 × 3 = 9/18 - Add the two like fractions:
36/18 + 9/18 = 36 + 9/18 = 45/18 - 45/18 simplified gives 5/2
- So, 18/9 + 3/6 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+3/6 18/9+3/12 54/9+3/6 18/9+9/6 18/27+3/6 18/9+3/18 90/9+3/6 18/9+15/6 18/45+3/6 18/9+3/30 18/9+21/6 18/63+3/6 18/9+3/42