Add 28/3 and 27/12
1st number: 9 1/3, 2nd number: 2 3/12
28/3 + 27/12 is 139/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
28/3 = 28 × 4/3 × 4 = 112/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
27/12 = 27 × 1/12 × 1 = 27/12 - Add the two like fractions:
112/12 + 27/12 = 112 + 27/12 = 139/12 - So, 28/3 + 27/12 = 139/12
In mixed form: 117/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3+27/12 28/3+54/12 28/6+27/12 28/3+27/24 84/3+27/12 28/3+81/12 28/9+27/12 28/3+27/36 28/15+27/12 28/3+27/60 28/21+27/12 28/3+27/84