Add 4/3 and 81/4
1st number: 1 1/3, 2nd number: 20 1/4
4/3 + 81/4 is 259/12.
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,
4/3 = 4 × 4/3 × 4 = 16/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
81/4 = 81 × 3/4 × 3 = 243/12 - Add the two like fractions:
16/12 + 243/12 = 16 + 243/12 = 259/12 - So, 4/3 + 81/4 = 259/12
In mixed form: 217/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3+81/4 4/6+81/4 4/3+81/8 12/3+81/4 4/9+81/4 4/3+81/12 20/3+81/4 4/15+81/4 4/3+81/20 28/3+81/4 4/21+81/4 4/3+81/28