Add 15/84 and 28/3
1st number: 15/84, 2nd number: 9 1/3
15/84 + 28/3 is 799/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
15/84 = 15 × 1/84 × 1 = 15/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
28/3 = 28 × 28/3 × 28 = 784/84 - Add the two like fractions:
15/84 + 784/84 = 15 + 784/84 = 799/84 - So, 15/84 + 28/3 = 799/84
In mixed form: 943/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84+28/3 15/84+56/3 15/84+28/6 45/84+28/3 15/84+84/3 15/84+28/9 75/84+28/3 15/84+28/15 15/84+28/21