Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            5

Equation at the end of step  1  :

  1
  — ÷ -2 ÷ 10
  5

Step  2  :

         1      
 Divide  —  by  -2
         5      

Equation at the end of step  2  :

   1 
  ——— ÷ 10
  -10

Step  3  :

          1       
 Divide  ———  by  10
         -10      

Final result :

    1             
  ———— = -0.01000 
  -100