Add 36/9 and 81/18
1st number: 4 0/9, 2nd number: 4 9/18
36/9 + 81/18 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
36/9 = 36 × 2/9 × 2 = 72/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
81/18 = 81 × 1/18 × 1 = 81/18 - Add the two like fractions:
72/18 + 81/18 = 72 + 81/18 = 153/18 - 153/18 simplified gives 17/2
- So, 36/9 + 81/18 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9+81/18 36/18+81/18 36/9+81/36 36/27+81/18 36/9+81/54 36/45+81/18 36/9+81/90 36/63+81/18