Add 80/3 and 42/5
1st number: 26 2/3, 2nd number: 8 2/5
80/3 + 42/5 is 526/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
80/3 = 80 × 5/3 × 5 = 400/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
42/5 = 42 × 3/5 × 3 = 126/15 - Add the two like fractions:
400/15 + 126/15 = 400 + 126/15 = 526/15 - So, 80/3 + 42/5 = 526/15
In mixed form: 351/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+84/5 80/6+42/5 80/3+42/10 80/9+42/5 80/3+42/15 80/15+42/5 80/3+42/25 80/21+42/5 80/3+42/35