Add 7/3 and 84/4
1st number: 2 1/3, 2nd number: 21 0/4
7/3 + 84/4 is 70/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
7/3 = 7 × 4/3 × 4 = 28/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
84/4 = 84 × 3/4 × 3 = 252/12 - Add the two like fractions:
28/12 + 252/12 = 28 + 252/12 = 280/12 - 280/12 simplified gives 70/3
- So, 7/3 + 84/4 = 70/3
In mixed form: 231/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3+84/4 7/6+84/4 7/3+84/8 21/3+84/4 7/9+84/4 7/3+84/12 35/3+84/4 7/15+84/4 7/3+84/20 49/3+84/4 7/21+84/4 7/3+84/28