Add 18/12 and 1/3
1st number: 1 6/12, 2nd number: 1/3
18/12 + 1/3 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
18/12 = 18 × 1/12 × 1 = 18/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
1/3 = 1 × 4/3 × 4 = 4/12 - Add the two like fractions:
18/12 + 4/12 = 18 + 4/12 = 22/12 - 22/12 simplified gives 11/6
- So, 18/12 + 1/3 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+1/3 18/12+2/3 18/24+1/3 18/12+1/6 54/12+1/3 18/36+1/3 18/12+1/9 90/12+1/3 18/12+5/3 18/60+1/3 18/12+1/15 18/12+7/3 18/84+1/3 18/12+1/21