Solution - Simplification or other simple results

Step  1  :

            22
 Simplify   ——
            45

Equation at the end of step  1  :

        63          22
  (0 -  ——) • (0 -  ——)
        84          45

Step  2  :

            3
 Simplify   —
            4

Equation at the end of step  2  :

        3    -22
  (0 -  —) • ———
        4    45 

Step  3  :

Final result :

  11           
  —— = 0.36667 
  30