Add 15/24 and 8/9
15/24 + 8/9 is 109/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
15/24 = 15 × 3/24 × 3 = 45/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
8/9 = 8 × 8/9 × 8 = 64/72 - Add the two like fractions:
45/72 + 64/72 = 45 + 64/72 = 109/72 - So, 15/24 + 8/9 = 109/72
In mixed form: 137/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24+8/9 15/24+16/9 15/48+8/9 15/24+8/18 45/24+8/9 15/24+24/9 15/72+8/9 15/24+8/27 75/24+8/9 15/24+40/9 15/24+8/45 15/24+56/9 15/24+8/63