Add 28/18 and 5/9
1st number: 1 10/18, 2nd number: 5/9
28/18 + 5/9 is 19/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
28/18 = 28 × 1/18 × 1 = 28/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
5/9 = 5 × 2/9 × 2 = 10/18 - Add the two like fractions:
28/18 + 10/18 = 28 + 10/18 = 38/18 - 38/18 simplified gives 19/9
- So, 28/18 + 5/9 = 19/9
In mixed form: 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+5/9 28/18+10/9 28/36+5/9 28/18+5/18 84/18+5/9 28/18+15/9 28/54+5/9 28/18+5/27 28/18+25/9 28/90+5/9 28/18+5/45 28/18+35/9 28/18+5/63