Add 10/9 and 9/90
1st number: 1 1/9, 2nd number: 9/90
10/9 + 9/90 is 109/90.
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,
10/9 = 10 × 10/9 × 10 = 100/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Add the two like fractions:
100/90 + 9/90 = 100 + 9/90 = 109/90 - So, 10/9 + 9/90 = 109/90
In mixed form: 119/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+9/90 10/9+18/90 10/18+9/90 30/9+9/90 10/9+27/90 10/27+9/90 50/9+9/90 10/9+45/90 10/45+9/90 70/9+9/90 10/9+63/90 10/63+9/90