Question 366024
Simplify by removing factors of 1. 405v^10z^7/75v^4z^4

   405v^10z^7
= -----------
   75v^4  z^4



  15*27v^6v^4z^4z^3
= -----------
  15*5 v^4  z^4



   27v^6z^z^3
= -----------
      5