Add 2/5 and 84/9
1st number: 2/5, 2nd number: 9 3/9
2/5 + 84/9 is 146/15.
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,
2/5 = 2 × 9/5 × 9 = 18/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
84/9 = 84 × 5/9 × 5 = 420/45 - Add the two like fractions:
18/45 + 420/45 = 18 + 420/45 = 438/45 - 438/45 simplified gives 146/15
- So, 2/5 + 84/9 = 146/15
In mixed form: 911/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5+84/9 2/10+84/9 2/5+84/18 6/5+84/9 2/15+84/9 2/5+84/27 10/5+84/9 2/25+84/9 2/5+84/45 14/5+84/9 2/35+84/9 2/5+84/63