Solution - Simplification or other simple results

Step  1  :

            2
 Simplify   —
            5

Equation at the end of step  1  :

        2
  0 -  (—)3)
        5

Step  2  :

Equation at the end of step  2  :

       23
  0 -  ——
       53

Step  3  :

Final result :

  -23            
  ——— = -0.06400 
  53