Add 18/9 and 3/4
1st number: 2 0/9, 2nd number: 3/4
18/9 + 3/4 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
18/9 = 18 × 4/9 × 4 = 72/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
3/4 = 3 × 9/4 × 9 = 27/36 - Add the two like fractions:
72/36 + 27/36 = 72 + 27/36 = 99/36 - 99/36 simplified gives 11/4
- So, 18/9 + 3/4 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+3/4 18/9+6/4 18/9+3/8 54/9+3/4 18/9+9/4 18/27+3/4 18/9+3/12 90/9+3/4 18/9+15/4 18/45+3/4 18/9+3/20 18/9+21/4 18/63+3/4 18/9+3/28