Add 10/9 and 20/84
1st number: 1 1/9, 2nd number: 20/84
10/9 + 20/84 is 85/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
10/9 = 10 × 28/9 × 28 = 280/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
20/84 = 20 × 3/84 × 3 = 60/252 - Add the two like fractions:
280/252 + 60/252 = 280 + 60/252 = 340/252 - 340/252 simplified gives 85/63
- So, 10/9 + 20/84 = 85/63
In mixed form: 122/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+20/84 10/9+40/84 10/18+20/84 30/9+20/84 10/9+60/84 10/27+20/84 50/9+20/84 10/45+20/84 70/9+20/84 10/63+20/84