Add 5/20 and 28/18
1st number: 5/20, 2nd number: 1 10/18
5/20 + 28/18 is 65/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
5/20 = 5 × 9/20 × 9 = 45/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
28/18 = 28 × 10/18 × 10 = 280/180 - Add the two like fractions:
45/180 + 280/180 = 45 + 280/180 = 325/180 - 325/180 simplified gives 65/36
- So, 5/20 + 28/18 = 65/36
In mixed form: 129/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+28/18 5/20+56/18 5/40+28/18 5/20+28/36 15/20+28/18 5/20+84/18 5/60+28/18 5/20+28/54 25/20+28/18 5/20+28/90 35/20+28/18