Add 28/45 and 84/9
1st number: 28/45, 2nd number: 9 3/9
28/45 + 84/9 is 448/45.
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,
28/45 = 28 × 1/45 × 1 = 28/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
84/9 = 84 × 5/9 × 5 = 420/45 - Add the two like fractions:
28/45 + 420/45 = 28 + 420/45 = 448/45 - So, 28/45 + 84/9 = 448/45
In mixed form: 943/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+84/9 28/90+84/9 28/45+84/18 84/45+84/9 28/45+84/27 28/45+84/45 28/45+84/63