Add 9/4 and 81/3
1st number: 2 1/4, 2nd number: 27 0/3
9/4 + 81/3 is 117/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
9/4 = 9 × 3/4 × 3 = 27/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
81/3 = 81 × 4/3 × 4 = 324/12 - Add the two like fractions:
27/12 + 324/12 = 27 + 324/12 = 351/12 - 351/12 simplified gives 117/4
- So, 9/4 + 81/3 = 117/4
In mixed form: 291/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4+81/3 9/8+81/3 9/4+81/6 27/4+81/3 9/12+81/3 9/4+81/9 45/4+81/3 9/20+81/3 9/4+81/15 63/4+81/3 9/28+81/3 9/4+81/21