Add 6/84 and 84/9
1st number: 6/84, 2nd number: 9 3/9
6/84 + 84/9 is 395/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
6/84 = 6 × 3/84 × 3 = 18/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
84/9 = 84 × 28/9 × 28 = 2352/252 - Add the two like fractions:
18/252 + 2352/252 = 18 + 2352/252 = 2370/252 - 2370/252 simplified gives 395/42
- So, 6/84 + 84/9 = 395/42
In mixed form: 917/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84+84/9 6/84+84/18 18/84+84/9 6/84+84/27 30/84+84/9 6/84+84/45 42/84+84/9 6/84+84/63