Solution - Simplification or other simple results

Step  1  :

            15
 Simplify   ——
            88

Equation at the end of step  1  :

  20   15
  —— • ——
  30   88

Step  2  :

            2
 Simplify   —
            3

Equation at the end of step  2  :

  2   15
  — • ——
  3   88

Step  3  :

Final result :

   5           
  —— = 0.11364 
  44