Add 20/9 and 9/90
1st number: 2 2/9, 2nd number: 9/90
20/9 + 9/90 is 209/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
20/9 = 20 × 10/9 × 10 = 200/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Add the two like fractions:
200/90 + 9/90 = 200 + 9/90 = 209/90 - So, 20/9 + 9/90 = 209/90
In mixed form: 229/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+9/90 20/9+18/90 20/18+9/90 60/9+9/90 20/9+27/90 20/27+9/90 20/9+45/90 20/45+9/90 20/9+63/90 20/63+9/90