Question

Perform the indicated operation.

5/4 + 7/9
a. 4/9
b.2 and 4/9
c.2 and 1/36

Answer 1

Need a common denominator.
Use 36.
Multiply the denominators by each other.
45/36 + 28/38 add the top!
73/36 or 2 and 1/36
C.

Answer 2

c.

Explanation:

`(5)/(4)+(7)/(9) = (5*9+7*4)/(4*9) = (45+28)/(36) = (73)/(36)`

and
`(73)/(36)= 2(36) + 1 = 2(1)/(36)`