Add 80/3 and 63/40
1st number: 26 2/3, 2nd number: 1 23/40
80/3 + 63/40 is 3389/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
80/3 = 80 × 40/3 × 40 = 3200/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Add the two like fractions:
3200/120 + 189/120 = 3200 + 189/120 = 3389/120 - So, 80/3 + 63/40 = 3389/120
In mixed form: 2829/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6+63/40 80/3+63/80 80/9+63/40 80/15+63/40 80/21+63/40