Write the top fraction divided by the bottom
fraction:



Invert the second fraction and change the 
division to multiplication:



Everything will factor except the , 
which should be written in parentheses:



Indicate the multiplicaton of the numerators and 
the denominators all as one fraction:



Cancel the 's



Cancel the 's



All that's left is:



You can leave it that way or 
distribute out the bottom:



Edwin