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// 1/2 + 3/4 = ? // #include<iostream> using namespace std; class Fraction { int nume; int deno; //reduce the factions - p.115 //void reduce(); public: // 0/1 Fraction() { nume = 0; deno = 1; } Fraction(int n, int d) { nume = n; deno = d; } // funtion members void Set(int n, int d) { nume = 0; deno = 1; } void Print() const { cout << nume << "/" << deno; } Fraction Addition(Fraction x) { Fraction ans; //temporary obj ans.nume = nume * x.deno + deno * x.nume; ans.deno = deno * x.nume; //use the reduce // ??? return ans; } Fraction Subtraction(Fraction x) { Fraction ans; //temporary obj ans.nume = nume * x.deno - deno * x.nume; ans.deno = deno * x.nume; return ans; } Fraction Multiplication(Fraction x) { Fraction ans; //temporary obj ans.nume = nume * x.deno; ans.deno = deno * x.nume; return ans; } }; int main() { Fraction a, b, c; //c = a + b Fraction d, e, f; // d = a - b; e = a * b a.Set (1, 2); b.Set (3, 4); d.Set (5, 6); f.Set (7, 8); c = a.Addition(b); c.Print(); f = d.Subtraction(e); f.Print(); e = a.Multiplication(b); e.Print(); cout << "Hi .\n\n."; return 0; }