Add 84/3 and 9/4
1st number: 28 0/3, 2nd number: 2 1/4
84/3 + 9/4 is 121/4.
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,
84/3 = 84 × 4/3 × 4 = 336/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
9/4 = 9 × 3/4 × 3 = 27/12 - Add the two like fractions:
336/12 + 27/12 = 336 + 27/12 = 363/12 - 363/12 simplified gives 121/4
- So, 84/3 + 9/4 = 121/4
In mixed form: 301/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3+18/4 84/6+9/4 84/3+9/8 84/3+27/4 84/9+9/4 84/3+9/12 84/3+45/4 84/15+9/4 84/3+9/20 84/3+63/4 84/21+9/4 84/3+9/28