Add 18/9 and 9/10
1st number: 2 0/9, 2nd number: 9/10
18/9 + 9/10 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Add the two like fractions:
180/90 + 81/90 = 180 + 81/90 = 261/90 - 261/90 simplified gives 29/10
- So, 18/9 + 9/10 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+9/10 18/9+18/10 18/9+9/20 54/9+9/10 18/9+27/10 18/27+9/10 18/9+9/30 90/9+9/10 18/9+45/10 18/45+9/10 18/9+9/50 18/9+63/10 18/63+9/10 18/9+9/70