Add 24/9 and 21/72
1st number: 2 6/9, 2nd number: 21/72
24/9 + 21/72 is 71/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
24/9 = 24 × 8/9 × 8 = 192/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
192/72 + 21/72 = 192 + 21/72 = 213/72 - 213/72 simplified gives 71/24
- So, 24/9 + 21/72 = 71/24
In mixed form: 223/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/9+21/72 24/9+42/72 24/18+21/72 72/9+21/72 24/9+63/72 24/27+21/72 24/45+21/72 24/63+21/72