Which of the following numbers should replace the missing denominator in order to add the fractions? 25/82 + 13/? (1 point)
Responses
25
25
28
28
13
Since we are adding fractions, the denominators must be the same. Therefore, we need to find a number that is a multiple of 82 and 13. The least common multiple of 82 and 13 is 82, so the missing denominator should be 82.
Therefore, the correct answer is 82.