Add 12/27 and 3/9
12/27 + 3/9 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
12/27 = 12 × 1/27 × 1 = 12/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
3/9 = 3 × 3/9 × 3 = 9/27 - Add the two like fractions:
12/27 + 9/27 = 12 + 9/27 = 21/27 - 21/27 simplified gives 7/9
- So, 12/27 + 3/9 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27+3/9 12/27+6/9 12/54+3/9 12/27+3/18 36/27+3/9 12/81+3/9 12/27+3/27 60/27+3/9 12/27+15/9 12/27+3/45 84/27+3/9 12/27+21/9 12/27+3/63