Add 6/84 and 6/9
6/84 + 6/9 is 31/42.
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,
6/9 = 6 × 28/9 × 28 = 168/252 - Add the two like fractions:
18/252 + 168/252 = 18 + 168/252 = 186/252 - 186/252 simplified gives 31/42
- So, 6/84 + 6/9 = 31/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84+6/9 6/84+12/9 6/84+6/18 18/84+6/9 6/84+18/9 6/84+6/27 30/84+6/9 6/84+30/9 6/84+6/45 42/84+6/9 6/84+42/9 6/84+6/63