Add 10/9 and 10/90
1st number: 1 1/9, 2nd number: 10/90
10/9 + 10/90 is 11/9.
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,
10/90 = 10 × 1/90 × 1 = 10/90 - Add the two like fractions:
100/90 + 10/90 = 100 + 10/90 = 110/90 - 110/90 simplified gives 11/9
- So, 10/9 + 10/90 = 11/9
In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+10/90 10/9+20/90 10/18+10/90 30/9+10/90 10/9+30/90 10/27+10/90 50/9+10/90 10/9+50/90 10/45+10/90 70/9+10/90 10/9+70/90 10/63+10/90