Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.6" was replaced by "(6/10)". 2 more similar replacement(s)

Step  1  :

            3
 Simplify   —
            5

Equation at the end of step  1  :

  21   3
  —— • —
  10   5

Step  2  :

            21
 Simplify   ——
            10

Equation at the end of step  2  :

  21   3
  —— • —
  10   5

Step  3  :

Final result :

  63           
  —— = 1.26000 
  50