Add 18/27 and 9/6
1st number: 18/27, 2nd number: 1 3/6
18/27 + 9/6 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
18/27 = 18 × 2/27 × 2 = 36/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
9/6 = 9 × 9/6 × 9 = 81/54 - Add the two like fractions:
36/54 + 81/54 = 36 + 81/54 = 117/54 - 117/54 simplified gives 13/6
- So, 18/27 + 9/6 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+9/6 18/27+18/6 18/54+9/6 18/27+9/12 54/27+9/6 18/27+27/6 18/81+9/6 18/27+9/18 90/27+9/6 18/27+45/6 18/27+9/30 18/27+63/6 18/27+9/42