Add 9/4 and 80/5
1st number: 2 1/4, 2nd number: 16 0/5
9/4 + 80/5 is 73/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
9/4 = 9 × 5/4 × 5 = 45/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
80/5 = 80 × 4/5 × 4 = 320/20 - Add the two like fractions:
45/20 + 320/20 = 45 + 320/20 = 365/20 - 365/20 simplified gives 73/4
- So, 9/4 + 80/5 = 73/4
In mixed form: 181/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/4+80/5 9/8+80/5 9/4+80/10 27/4+80/5 9/12+80/5 9/4+80/15 45/4+80/5 9/20+80/5 9/4+80/25 63/4+80/5 9/28+80/5 9/4+80/35