Add 9/5 and 80/9
1st number: 1 4/5, 2nd number: 8 8/9
9/5 + 80/9 is 481/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
9/5 = 9 × 9/5 × 9 = 81/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
80/9 = 80 × 5/9 × 5 = 400/45 - Add the two like fractions:
81/45 + 400/45 = 81 + 400/45 = 481/45 - So, 9/5 + 80/9 = 481/45
In mixed form: 1031/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5+80/9 9/10+80/9 9/5+80/18 27/5+80/9 9/15+80/9 9/5+80/27 45/5+80/9 9/25+80/9 9/5+80/45 63/5+80/9 9/35+80/9 9/5+80/63