#include 	
 #include
 #include
 class rational 
 {
	 int numer;
	 int denom;
	 public:
	 void getdata()
	 {
		 cout<<"\n enter the numerator part of the rational no.";
		 cin>>numer;
		 cout<<"\n enter the denominator part of the rational no.";
		 cin>>denom;
	 }
	 void operator+(rational);
	 void operator-(rational);
	 void operator *(rational);
	 void operator /(rational);
 };
 void rational ::operator+(rational c1)
 {
	 rational temp;
	 temp.numer=(numer*c1.denom)+(c1.numer*denom);
	 temp.denom=denom*c1.denom;
	 cout<<"\nrational no. after addition";
	 cout<<"\n numerator="<>n;
		 switch(n)
		 {
			 case 1:
			 cout<
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