Add 5/12 and 9/18
5/12 + 9/18 is 11/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
5/12 = 5 × 3/12 × 3 = 15/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Add the two like fractions:
15/36 + 18/36 = 15 + 18/36 = 33/36 - 33/36 simplified gives 11/12
- So, 5/12 + 9/18 = 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12+9/18 5/24+9/18 5/12+9/36 15/12+9/18 5/12+27/18 5/36+9/18 5/12+9/54 25/12+9/18 5/12+45/18 5/60+9/18 5/12+9/90 35/12+9/18 5/12+63/18 5/84+9/18