Question 65477

5  +  11
--    --
4cd   4cd

If I add these it would look like this I believe:
5+11= 16
4cd + 4cd = 8c^2d^2
Comment: This should be 4cd+4cd=8cd

Leaving the equation looking like this:

   16
--------
8cd
----------
Then you can cancel  to end up with
2/cd
---------
Cheers,
Stan H.