Solution - Simplification or other simple results

Step  1  :

            m
 Simplify   —
            m

Equation at the end of step  1  :

  1
  — ÷ n
  1

Step  2  :

            1
 Simplify   —
            1

Equation at the end of step  2  :

  1
  —
  n

Step  3  :

            1
 Simplify   —
            n

Final result :

  1
  —
  n