Add 18/27 and 54/9
1st number: 18/27, 2nd number: 6 0/9
18/27 + 54/9 is 20/3.
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,
54/9 = 54 × 3/9 × 3 = 162/27 - Add the two like fractions:
18/27 + 162/27 = 18 + 162/27 = 180/27 - 180/27 simplified gives 20/3
- So, 18/27 + 54/9 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+54/9 18/54+54/9 18/27+54/18 54/27+54/9 18/81+54/9 18/27+54/27 90/27+54/9 18/27+54/45 18/27+54/63