Add 2/5 and 84/45
1st number: 2/5, 2nd number: 1 39/45
2/5 + 84/45 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 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 45 × 1 = 45,
84/45 = 84 × 1/45 × 1 = 84/45 - Add the two like fractions:
18/45 + 84/45 = 18 + 84/45 = 102/45 - 102/45 simplified gives 34/15
- So, 2/5 + 84/45 = 34/15
In mixed form: 24/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5+84/45 2/10+84/45 2/5+84/90 6/5+84/45 2/15+84/45 10/5+84/45 2/25+84/45 14/5+84/45 2/35+84/45