Add 12/9 and 36/27
1st number: 1 3/9, 2nd number: 1 9/27
12/9 + 36/27 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
12/9 = 12 × 3/9 × 3 = 36/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
36/27 = 36 × 1/27 × 1 = 36/27 - Add the two like fractions:
36/27 + 36/27 = 36 + 36/27 = 72/27 - 72/27 simplified gives 8/3
- So, 12/9 + 36/27 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+36/27 12/9+72/27 12/18+36/27 12/9+36/54 36/9+36/27 12/27+36/27 12/9+36/81 60/9+36/27 12/45+36/27 84/9+36/27 12/63+36/27