Add 18/2 and 40/9
1st number: 9 0/2, 2nd number: 4 4/9
18/2 + 40/9 is 121/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
18/2 = 18 × 9/2 × 9 = 162/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
40/9 = 40 × 2/9 × 2 = 80/18 - Add the two like fractions:
162/18 + 80/18 = 162 + 80/18 = 242/18 - 242/18 simplified gives 121/9
- So, 18/2 + 40/9 = 121/9
In mixed form: 134/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+40/9 18/2+80/9 18/4+40/9 18/2+40/18 54/2+40/9 18/6+40/9 18/2+40/27 90/2+40/9 18/10+40/9 18/2+40/45 18/14+40/9 18/2+40/63