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

Question

(1 point)
Responses

82
82

13
13

28
28

25

Answer 1

To add the fractions 25/82 and 13/?, the denominators must be the same. Since the first fraction has a denominator of 82, the second fraction must also have a denominator of 82 in order to add them.

Therefore, the missing denominator should be 82.