What is -6 over ab + a^2 over b^2 its summing rational expressions?

Question

What is -6 over ab + a^2 over b^2 its summing rational expressions?

Answer 1

-6/ab + a^2/b^2

Find a common denominator: ab^2

(-6/ab)(b/b) + (a^2/b^2)(a/a)

(-6b/ab^2) + (a^3/ab^2)

Now that there is a common denominator, combine it in to one fraction:

(-6b +a^3)/ab^2



Hope that helps!