Solution - Simplification or other simple results

Step  1  :

            21
 Simplify   ——
            25

Equation at the end of step  1  :

  18    21
  —— +  ——
  50    25

Step  2  :

             9
 Simplify   ——
            25

Equation at the end of step  2  :

   9    21
  —— +  ——
  25    25

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:

 9 + 21     6
 ——————  =  —
   25       5

Final result :

  6           
  — = 1.20000 
  5