Add 24/9 and 21/90
1st number: 2 6/9, 2nd number: 21/90
24/9 + 21/90 is 29/10.
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,
24/9 = 24 × 10/9 × 10 = 240/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Add the two like fractions:
240/90 + 21/90 = 240 + 21/90 = 261/90 - 261/90 simplified gives 29/10
- So, 24/9 + 21/90 = 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: 48/9+21/90 24/9+42/90 24/18+21/90 72/9+21/90 24/9+63/90 24/27+21/90 24/45+21/90 24/63+21/90