Add 5/18 and 18/12
1st number: 5/18, 2nd number: 1 6/12
5/18 + 18/12 is 16/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
5/18 = 5 × 2/18 × 2 = 10/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
18/12 = 18 × 3/12 × 3 = 54/36 - Add the two like fractions:
10/36 + 54/36 = 10 + 54/36 = 64/36 - 64/36 simplified gives 16/9
- So, 5/18 + 18/12 = 16/9
In mixed form: 17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+18/12 5/18+36/12 5/36+18/12 5/18+18/24 15/18+18/12 5/18+54/12 5/54+18/12 5/18+18/36 25/18+18/12 5/18+90/12 5/90+18/12 5/18+18/60 35/18+18/12 5/18+18/84