What is the common denominator of y+ y-3/3 in the complex fraction

The common denominator is 3.

Step-by-step explanation:

Since, In a fraction, ,

q is called the denominator of the fraction,

And, When two or more fractions have the same denominator then this denominator is called the common denominator.

Here, the given expression,

   ( Because, L.C.M(1,3) = 3)

⇒ 3 is the common denominator of the given expression .

d is the answer... its said i need 20 characters

step-by-step explanation:

the true ones are a b and d