Which of the following numbers should replace the missing denominator in order to add the fractions? 25/82 + 13/?

Question

Responses

25
25

13
13

28
28

82

Answer 1

To add fractions, the denominators must be the same. To determine the missing denominator, we can look at the denominators of the given fractions. The first fraction has a denominator of 82. Therefore, the missing denominator should also be 82. So the correct response is 82.