Add 90/18 and 28/5
1st number: 5 0/18, 2nd number: 5 3/5
90/18 + 28/5 is 53/5.
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,
90/18 = 90 × 5/18 × 5 = 450/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
28/5 = 28 × 18/5 × 18 = 504/90 - Add the two like fractions:
450/90 + 504/90 = 450 + 504/90 = 954/90 - 954/90 simplified gives 53/5
- So, 90/18 + 28/5 = 53/5
In mixed form: 103/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+56/5 90/36+28/5 90/18+28/10 90/18+84/5 90/54+28/5 90/18+28/15 90/18+28/25 90/18+28/35