What is the missing denominator in the addition sentence? 15/28 + 9/?
(1 point)
Responses
9
15
24
28
To find the missing denominator in the addition sentence 15/28 + 9/?, we can look at the denominators of the known fraction.
The known fraction is 15/28, so the missing denominator must be the same as the denominator of 15/28.
Therefore, the missing denominator is 28.
To find the missing denominator in the addition sentence 15/28 + 9/?, we can use a simple algebraic approach.
We know that the denominators of the fractions being added should be the same. So we can set up the equation:
28 = ?
Since we already have one denominator, which is 28, we need to find the missing denominator that, when added to 9, will give us a denominator of 28.
To solve for the missing denominator, we can subtract 9 from both sides of the equation:
28 - 9 = ?
This gives us:
19 = ?
Therefore, the missing denominator in the addition sentence 15/28 + 9/? is 19.