Add 30/45 and 80/9
1st number: 30/45, 2nd number: 8 8/9
30/45 + 80/9 is 86/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
30/45 = 30 × 1/45 × 1 = 30/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
80/9 = 80 × 5/9 × 5 = 400/45 - Add the two like fractions:
30/45 + 400/45 = 30 + 400/45 = 430/45 - 430/45 simplified gives 86/9
- So, 30/45 + 80/9 = 86/9
In mixed form: 95/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+80/9 30/90+80/9 30/45+80/18 90/45+80/9 30/45+80/27 30/45+80/45 30/45+80/63