Add 80/5 and 9/20
1st number: 16 0/5, 2nd number: 9/20
80/5 + 9/20 is 329/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
80/5 = 80 × 4/5 × 4 = 320/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
9/20 = 9 × 1/20 × 1 = 9/20 - Add the two like fractions:
320/20 + 9/20 = 320 + 9/20 = 329/20 - So, 80/5 + 9/20 = 329/20
In mixed form: 169/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+18/20 80/10+9/20 80/5+9/40 80/5+27/20 80/15+9/20 80/5+9/60 80/5+45/20 80/25+9/20 80/5+63/20 80/35+9/20