Add 80/3 and 21/4
1st number: 26 2/3, 2nd number: 5 1/4
80/3 + 21/4 is 383/12.
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,
80/3 = 80 × 4/3 × 4 = 320/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
21/4 = 21 × 3/4 × 3 = 63/12 - Add the two like fractions:
320/12 + 63/12 = 320 + 63/12 = 383/12 - So, 80/3 + 21/4 = 383/12
In mixed form: 3111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+42/4 80/6+21/4 80/3+21/8 80/3+63/4 80/9+21/4 80/3+21/12 80/15+21/4 80/3+21/20 80/21+21/4 80/3+21/28