Add 15/18 and 4/9
15/18 + 4/9 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
15/18 = 15 × 1/18 × 1 = 15/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
4/9 = 4 × 2/9 × 2 = 8/18 - Add the two like fractions:
15/18 + 8/18 = 15 + 8/18 = 23/18 - So, 15/18 + 4/9 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+4/9 15/18+8/9 15/36+4/9 15/18+4/18 45/18+4/9 15/18+12/9 15/54+4/9 15/18+4/27 75/18+4/9 15/18+20/9 15/90+4/9 15/18+4/45 15/18+28/9 15/18+4/63