Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "1.75" was replaced by "(175/100)".

Step  1  :

            21
 Simplify   ——
            4 

Equation at the end of step  1  :

  9    175    21
  — • (——— -  ——)
  4    100    4 

Step  2  :

            7
 Simplify   —
            4

Equation at the end of step  2  :

  9    7    21
  — • (— -  ——)
  4    4    4 

Step  3  :

Adding fractions which have a common denominator :

 3.1       Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

 7 - (21)     -7
 ————————  =  ——
    4         2 

Equation at the end of step  3  :

  9   -7
  — • ——
  4   2 

Step  4  :

            9
 Simplify   —
            4

Equation at the end of step  4  :

  9   -7
  — • ——
  4   2 

Step  5  :

Final result :

  -63            
  ——— = -7.87500 
   8