Add 28/5 and 8/18
1st number: 5 3/5, 2nd number: 8/18
28/5 + 8/18 is 272/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
28/5 = 28 × 18/5 × 18 = 504/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
8/18 = 8 × 5/18 × 5 = 40/90 - Add the two like fractions:
504/90 + 40/90 = 504 + 40/90 = 544/90 - 544/90 simplified gives 272/45
- So, 28/5 + 8/18 = 272/45
In mixed form: 62/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+8/18 28/5+16/18 28/10+8/18 28/5+8/36 84/5+8/18 28/5+24/18 28/15+8/18 28/5+8/54 28/5+40/18 28/25+8/18 28/5+8/90 28/5+56/18 28/35+8/18