Add 18/9 and 27/8
1st number: 2 0/9, 2nd number: 3 3/8
18/9 + 27/8 is 43/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
18/9 = 18 × 8/9 × 8 = 144/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
27/8 = 27 × 9/8 × 9 = 243/72 - Add the two like fractions:
144/72 + 243/72 = 144 + 243/72 = 387/72 - 387/72 simplified gives 43/8
- So, 18/9 + 27/8 = 43/8
In mixed form: 53/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+27/8 18/9+54/8 18/9+27/16 54/9+27/8 18/9+81/8 18/27+27/8 18/9+27/24 90/9+27/8 18/45+27/8 18/9+27/40 18/63+27/8 18/9+27/56