Add 20/9 and 98/18
1st number: 2 2/9, 2nd number: 5 8/18
20/9 + 98/18 is 23/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
20/9 = 20 × 2/9 × 2 = 40/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
98/18 = 98 × 1/18 × 1 = 98/18 - Add the two like fractions:
40/18 + 98/18 = 40 + 98/18 = 138/18 - 138/18 simplified gives 23/3
- So, 20/9 + 98/18 = 23/3
In mixed form: 72/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+98/18 20/18+98/18 20/9+98/36 60/9+98/18 20/27+98/18 20/9+98/54 20/45+98/18 20/9+98/90 20/63+98/18