Add 20/2 and 28/18
1st number: 10 0/2, 2nd number: 1 10/18
20/2 + 28/18 is 104/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
20/2 = 20 × 9/2 × 9 = 180/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
28/18 = 28 × 1/18 × 1 = 28/18 - Add the two like fractions:
180/18 + 28/18 = 180 + 28/18 = 208/18 - 208/18 simplified gives 104/9
- So, 20/2 + 28/18 = 104/9
In mixed form: 115/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2+28/18 20/2+56/18 20/4+28/18 20/2+28/36 60/2+28/18 20/2+84/18 20/6+28/18 20/2+28/54 20/10+28/18 20/2+28/90 20/14+28/18