Add 10/5 and 84/18
1st number: 2 0/5, 2nd number: 4 12/18
10/5 + 84/18 is 20/3.
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,
10/5 = 10 × 18/5 × 18 = 180/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Add the two like fractions:
180/90 + 420/90 = 180 + 420/90 = 600/90 - 600/90 simplified gives 20/3
- So, 10/5 + 84/18 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5+84/18 10/5+84/36 30/5+84/18 10/15+84/18 10/5+84/54 50/5+84/18 10/25+84/18 10/5+84/90 70/5+84/18 10/35+84/18