Add 9/5 and 80/45
1st number: 1 4/5, 2nd number: 1 35/45
9/5 + 80/45 is 161/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 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 45 × 1 = 45,
80/45 = 80 × 1/45 × 1 = 80/45 - Add the two like fractions:
81/45 + 80/45 = 81 + 80/45 = 161/45 - So, 9/5 + 80/45 = 161/45
In mixed form: 326/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5+80/45 9/10+80/45 9/5+80/90 27/5+80/45 9/15+80/45 45/5+80/45 9/25+80/45 63/5+80/45 9/35+80/45