Add 18/27 and 98/18
1st number: 18/27, 2nd number: 5 8/18
18/27 + 98/18 is 55/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 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 18 × 3 = 54,
98/18 = 98 × 3/18 × 3 = 294/54 - Add the two like fractions:
36/54 + 294/54 = 36 + 294/54 = 330/54 - 330/54 simplified gives 55/9
- So, 18/27 + 98/18 = 55/9
In mixed form: 61/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+98/18 18/54+98/18 18/27+98/36 54/27+98/18 18/81+98/18 18/27+98/54 90/27+98/18 18/27+98/90