Add 28/9 and 20/24
1st number: 3 1/9, 2nd number: 20/24
28/9 + 20/24 is 71/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
28/9 = 28 × 8/9 × 8 = 224/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
20/24 = 20 × 3/24 × 3 = 60/72 - Add the two like fractions:
224/72 + 60/72 = 224 + 60/72 = 284/72 - 284/72 simplified gives 71/18
- So, 28/9 + 20/24 = 71/18
In mixed form: 317/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+20/24 28/9+40/24 28/18+20/24 28/9+20/48 84/9+20/24 28/9+60/24 28/27+20/24 28/9+20/72 28/45+20/24 28/63+20/24