Add 18/9 and 28/10
1st number: 2 0/9, 2nd number: 2 8/10
18/9 + 28/10 is 24/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Add the two like fractions:
180/90 + 252/90 = 180 + 252/90 = 432/90 - 432/90 simplified gives 24/5
- So, 18/9 + 28/10 = 24/5
In mixed form: 44/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+28/10 18/9+56/10 18/9+28/20 54/9+28/10 18/9+84/10 18/27+28/10 18/9+28/30 90/9+28/10 18/45+28/10 18/9+28/50 18/63+28/10 18/9+28/70