Add 28/5 and 30/9
1st number: 5 3/5, 2nd number: 3 3/9
28/5 + 30/9 is 134/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
28/5 = 28 × 9/5 × 9 = 252/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
30/9 = 30 × 5/9 × 5 = 150/45 - Add the two like fractions:
252/45 + 150/45 = 252 + 150/45 = 402/45 - 402/45 simplified gives 134/15
- So, 28/5 + 30/9 = 134/15
In mixed form: 814/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+30/9 28/5+60/9 28/10+30/9 28/5+30/18 84/5+30/9 28/5+90/9 28/15+30/9 28/5+30/27 28/25+30/9 28/5+30/45 28/35+30/9 28/5+30/63