Add 7/5 and 84/9
1st number: 1 2/5, 2nd number: 9 3/9
7/5 + 84/9 is 161/15.
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,
7/5 = 7 × 9/5 × 9 = 63/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
84/9 = 84 × 5/9 × 5 = 420/45 - Add the two like fractions:
63/45 + 420/45 = 63 + 420/45 = 483/45 - 483/45 simplified gives 161/15
- So, 7/5 + 84/9 = 161/15
In mixed form: 1011/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+84/9 7/10+84/9 7/5+84/18 21/5+84/9 7/15+84/9 7/5+84/27 35/5+84/9 7/25+84/9 7/5+84/45 49/5+84/9 7/35+84/9 7/5+84/63