Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "1.05" was replaced by "(105/100)".

Step  1  :

            21
 Simplify   ——
            20

Equation at the end of step  1  :

  21
 (——)10
  20

Step  2  :

 2.1     21 = 3•7

(21)¹⁰ = (3•7)¹⁰ = 3¹⁰ • 7¹⁰  2.2     20 = 2²•5 (20)¹⁰ = (2²•5)¹⁰ = 2²⁰ • 5¹⁰

Final result :

  (310•710)           
  ————————— = 1.62889 
  (220•510)