Add 7/84 and 6/18
7/84 + 6/18 is 5/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
6/18 = 6 × 14/18 × 14 = 84/252 - Add the two like fractions:
21/252 + 84/252 = 21 + 84/252 = 105/252 - 105/252 simplified gives 5/12
- So, 7/84 + 6/18 = 5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+6/18 7/84+12/18 7/84+6/36 21/84+6/18 7/84+6/54 35/84+6/18 7/84+30/18 7/84+6/90 49/84+6/18 7/84+42/18