simplify each expression

Question

Y+4/2x-1 divided by (y+4)

Answer 1

y+4      
----- ÷ y+4
2x-1


When dividing by an expression, multiply the inverse of that expression fraction.

y+4       1
----- • -----
2x-1    y+4


Notice that the factor (y+4) appears in both the numerator and denominator

     (y+4)
--------------
(2x-1)(y+4)


So we are left with
    1
--------
(2x-1)