Add 28/9 and 28/12
1st number: 3 1/9, 2nd number: 2 4/12
28/9 + 28/12 is 49/9.
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,
28/9 = 28 × 4/9 × 4 = 112/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
28/12 = 28 × 3/12 × 3 = 84/36 - Add the two like fractions:
112/36 + 84/36 = 112 + 84/36 = 196/36 - 196/36 simplified gives 49/9
- So, 28/9 + 28/12 = 49/9
In mixed form: 54/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+28/12 28/9+56/12 28/18+28/12 28/9+28/24 84/9+28/12 28/9+84/12 28/27+28/12 28/9+28/36 28/45+28/12 28/9+28/60 28/63+28/12 28/9+28/84