Add 20/9 and 84/10
1st number: 2 2/9, 2nd number: 8 4/10
20/9 + 84/10 is 478/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
20/9 = 20 × 10/9 × 10 = 200/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Add the two like fractions:
200/90 + 756/90 = 200 + 756/90 = 956/90 - 956/90 simplified gives 478/45
- So, 20/9 + 84/10 = 478/45
In mixed form: 1028/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+84/10 20/18+84/10 20/9+84/20 60/9+84/10 20/27+84/10 20/9+84/30 20/45+84/10 20/9+84/50 20/63+84/10 20/9+84/70