Add 10/9 and 18/8
1st number: 1 1/9, 2nd number: 2 2/8
10/9 + 18/8 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
10/9 = 10 × 8/9 × 8 = 80/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Add the two like fractions:
80/72 + 162/72 = 80 + 162/72 = 242/72 - 242/72 simplified gives 121/36
- So, 10/9 + 18/8 = 121/36
In mixed form: 313/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+18/8 10/9+36/8 10/18+18/8 10/9+18/16 30/9+18/8 10/9+54/8 10/27+18/8 10/9+18/24 50/9+18/8 10/9+90/8 10/45+18/8 10/9+18/40 70/9+18/8 10/63+18/8 10/9+18/56