Add 28/27 and 3/12
1st number: 1 1/27, 2nd number: 3/12
28/27 + 3/12 is 139/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
28/27 = 28 × 4/27 × 4 = 112/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
3/12 = 3 × 9/12 × 9 = 27/108 - Add the two like fractions:
112/108 + 27/108 = 112 + 27/108 = 139/108 - So, 28/27 + 3/12 = 139/108
In mixed form: 131/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27+3/12 28/27+6/12 28/54+3/12 28/27+3/24 84/27+3/12 28/27+9/12 28/81+3/12 28/27+3/36 28/27+15/12 28/27+3/60 28/27+21/12 28/27+3/84