Add 18/9 and 1/12
1st number: 2 0/9, 2nd number: 1/12
18/9 + 1/12 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
18/9 = 18 × 4/9 × 4 = 72/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
1/12 = 1 × 3/12 × 3 = 3/36 - Add the two like fractions:
72/36 + 3/36 = 72 + 3/36 = 75/36 - 75/36 simplified gives 25/12
- So, 18/9 + 1/12 = 25/12
In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+1/12 18/9+2/12 18/9+1/24 54/9+1/12 18/9+3/12 18/27+1/12 18/9+1/36 90/9+1/12 18/9+5/12 18/45+1/12 18/9+1/60 18/9+7/12 18/63+1/12 18/9+1/84