Answer:
69/54
Explanation:
We can't add two fractions with different denominators (the bottom number). So you need to get a common denominator - both bottom numbers need to match. To do this, you'll multiply the denominators times each other... but the numerators have to change, too. They get multiplied by the other term's denominator.
So we multiply 4 by 6, and get 24, then we multiply 9 by 6 and get 54.
4/9 times 6
Do the same for the second term. We multiply 5 by 9, and get 45, then multiply 9 by 6 and get 54.
5/6 times 9
Since our denominators match, we can add the numerators.
24 + 45 = 69
So the answer is: 69/54