Add 18/3 and 9/84
1st number: 6 0/3, 2nd number: 9/84
18/3 + 9/84 is 171/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
18/3 = 18 × 28/3 × 28 = 504/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84 - Add the two like fractions:
504/84 + 9/84 = 504 + 9/84 = 513/84 - 513/84 simplified gives 171/28
- So, 18/3 + 9/84 = 171/28
In mixed form: 63/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+9/84 18/3+18/84 18/6+9/84 54/3+9/84 18/3+27/84 18/9+9/84 90/3+9/84 18/3+45/84 18/15+9/84 18/3+63/84 18/21+9/84