Add 18/27 and 20/9
1st number: 18/27, 2nd number: 2 2/9
18/27 + 20/9 is 26/9.
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,
18/27 = 18 × 1/27 × 1 = 18/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
20/9 = 20 × 3/9 × 3 = 60/27 - Add the two like fractions:
18/27 + 60/27 = 18 + 60/27 = 78/27 - 78/27 simplified gives 26/9
- So, 18/27 + 20/9 = 26/9
In mixed form: 28/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+20/9 18/27+40/9 18/54+20/9 18/27+20/18 54/27+20/9 18/27+60/9 18/81+20/9 18/27+20/27 90/27+20/9 18/27+20/45 18/27+20/63