Add 12/9 and 28/36
1st number: 1 3/9, 2nd number: 28/36
12/9 + 28/36 is 19/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
12/9 = 12 × 4/9 × 4 = 48/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
28/36 = 28 × 1/36 × 1 = 28/36 - Add the two like fractions:
48/36 + 28/36 = 48 + 28/36 = 76/36 - 76/36 simplified gives 19/9
- So, 12/9 + 28/36 = 19/9
In mixed form: 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+28/36 12/9+56/36 12/18+28/36 12/9+28/72 36/9+28/36 12/9+84/36 12/27+28/36 60/9+28/36 12/45+28/36 84/9+28/36 12/63+28/36