Add 28/9 and 56/5
1st number: 3 1/9, 2nd number: 11 1/5
28/9 + 56/5 is 644/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
56/5 = 56 × 9/5 × 9 = 504/45 - Add the two like fractions:
140/45 + 504/45 = 140 + 504/45 = 644/45 - So, 28/9 + 56/5 = 644/45
In mixed form: 1414/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+56/5 28/18+56/5 28/9+56/10 84/9+56/5 28/27+56/5 28/9+56/15 28/45+56/5 28/9+56/25 28/63+56/5 28/9+56/35