Add 1/18 and 3/9
1/18 + 3/9 is 7/18.
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,
1/18 = 1 × 1/18 × 1 = 1/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
3/9 = 3 × 2/9 × 2 = 6/18 - Add the two like fractions:
1/18 + 6/18 = 1 + 6/18 = 7/18 - So, 1/18 + 3/9 = 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+3/9 1/18+6/9 1/36+3/9 1/18+3/18 3/18+3/9 1/54+3/9 1/18+3/27 5/18+3/9 1/18+15/9 1/90+3/9 1/18+3/45 7/18+3/9 1/18+21/9 1/18+3/63