Add 6/9 and 42/84
6/9 + 42/84 is 7/6.
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,
6/9 = 6 × 28/9 × 28 = 168/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
42/84 = 42 × 3/84 × 3 = 126/252 - Add the two like fractions:
168/252 + 126/252 = 168 + 126/252 = 294/252 - 294/252 simplified gives 7/6
- So, 6/9 + 42/84 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9+42/84 6/18+42/84 18/9+42/84 6/27+42/84 30/9+42/84 6/45+42/84 42/9+42/84 6/63+42/84