Solution - Simplification or other simple results

Step  1  :

            12
 Simplify   ——
            25

Equation at the end of step  1  :

  16         12
  —— ÷ (0 -  ——)
  5          25

Step  2  :

            16
 Simplify   ——
            5 

Equation at the end of step  2  :

  16   -12
  —— ÷ ———
  5    25 

Step  3  :

         16      -12
 Divide  ——  by  ———
         5       25 

 3.1    Dividing fractions

To divide fractions, write the divison as multiplication by the reciprocal of the divisor :

16     -12       16      25
——  ÷  ———   =   ——  •  ———
5      25        5      -12

Final result :

  20            
  —— = -6.66667 
  -3