Add 12/18 and 1/9
12/18 + 1/9 is 7/9.
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,
12/18 = 12 × 1/18 × 1 = 12/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
1/9 = 1 × 2/9 × 2 = 2/18 - Add the two like fractions:
12/18 + 2/18 = 12 + 2/18 = 14/18 - 14/18 simplified gives 7/9
- So, 12/18 + 1/9 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18+1/9 12/18+2/9 12/36+1/9 12/18+1/18 36/18+1/9 12/18+3/9 12/54+1/9 12/18+1/27 60/18+1/9 12/18+5/9 12/90+1/9 12/18+1/45 84/18+1/9 12/18+7/9 12/18+1/63