Add 40/9 and 28/18
1st number: 4 4/9, 2nd number: 1 10/18
40/9 + 28/18 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
40/9 = 40 × 2/9 × 2 = 80/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
28/18 = 28 × 1/18 × 1 = 28/18 - Add the two like fractions:
80/18 + 28/18 = 80 + 28/18 = 108/18 - 108/18 simplified gives 6/1
- So, 40/9 + 28/18 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9+28/18 40/9+56/18 40/18+28/18 40/9+28/36 40/9+84/18 40/27+28/18 40/9+28/54 40/45+28/18 40/9+28/90 40/63+28/18