Add 40/18 and 28/5
1st number: 2 4/18, 2nd number: 5 3/5
40/18 + 28/5 is 352/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
28/5 = 28 × 18/5 × 18 = 504/90 - Add the two like fractions:
200/90 + 504/90 = 200 + 504/90 = 704/90 - 704/90 simplified gives 352/45
- So, 40/18 + 28/5 = 352/45
In mixed form: 737/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+28/5 40/18+56/5 40/36+28/5 40/18+28/10 40/18+84/5 40/54+28/5 40/18+28/15 40/90+28/5 40/18+28/25 40/18+28/35