Bisal Structure

#include<stdio.h>

struct Fraction {
    int Nominator;
    int Denominator;
};

struct Point {
    struct Fraction x;
    struct Fraction y;
};

struct Line {
    struct Point start;
    struct Point end;
};

typedef struct Fraction FRACTION;

FRACTION addFraction(FRACTION a, FRACTION b)
{
    FRACTION c;
    c.Denominator = a.Denominator * b.Denominator;
    c.Nominator = (c.Denominator/a.Denominator*a.Nominator) + (c.Denominator/b.Denominator*b.Nominator);
    return c;
}

FRACTION divFraction(FRACTION a, int n)
{
    a.Denominator = a.Denominator * n;

    return a;
}

int main()
{
    struct Line AB;

    scanf("%d/%d%d/%d%d/%d%d/%d", &AB.start.x.Nominator, &AB.start.x.Denominator, &AB.start.y.Nominator, &AB.start.y.Denominator,
          &AB.end.x.Nominator, &AB.end.x.Denominator, &AB.end.y.Nominator, &AB.end.y.Denominator);

    //scanf("%d/%d%d/%d", &a.Nominator, &a.Denominator, &b.Nominator, &b.Denominator);
    //a = divFraction(a,2);

    struct Point mid;

    mid.x = addFraction(AB.start.x, AB.end.x);
    mid.x = divFraction(mid.x,2);
    mid.y = addFraction(AB.start.y, AB.end.y);
    mid.y = divFraction(mid.y,2);

    printf("\n%d/%d  %d/%d\n", mid.x.Nominator, mid.x.Denominator, mid.y.Nominator, mid.y.Denominator);

    return 0;
}