#include <stdio.h>
#include <stdlib.h>

typedef struct
{
	int n; // numerator
	int d; // denumerator
} fraction_t;

void printFraction(fraction_t F)
{
	printf("%2d\n", F.n);
	printf("--\n");
	printf("%2d\n", F.d);
	printf("\n");
}

fraction_t addFractions(fraction_t A, fraction_t B)
{
	fraction_t result;
	result.n = A.n*B.d + A.d*B.n;
	result.d = A.d*B.d;
	return result;
}

int main()
{
	fraction_t A;
	A.n=5;
	A.d=10;
	printFraction(A);
	printf("+\n\n");
	
	fraction_t B;
	B.n=2;
	B.d=3;
	printFraction(B);
	printf("=\n\n");
	
	fraction_t C;
	C=addFractions(A,B);
	printFraction(C);
	
	system("pause");
}