Add 7/84 and 15/6
1st number: 7/84, 2nd number: 2 3/6
7/84 + 15/6 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
15/6 = 15 × 14/6 × 14 = 210/84 - Add the two like fractions:
7/84 + 210/84 = 7 + 210/84 = 217/84 - 217/84 simplified gives 31/12
- So, 7/84 + 15/6 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+15/6 7/84+30/6 7/84+15/12 21/84+15/6 7/84+45/6 7/84+15/18 35/84+15/6 7/84+75/6 7/84+15/30 49/84+15/6 7/84+15/42