What is the common denominator of in the complex fraction
A
B
C
D

Answer:
D) 3
Step-by-step explanation:
y + (y-3)/3
This can be written as (y/1) + (y-3)/3
Any number divided by 1 gives the same number.
Here the denominators are 1 and 3.
Common denominator is 1*3 = 3
Answer: D) 3
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