/* [0] CONSTRUCTEUR
=========================================================*/
ZFraction::ZFraction(int a, int b) : a(a), b(b){}



/* [1] Getters
=========================================================*/
void ZFraction::toString() const{ cout << "(" << this->a << "/" << this->b << ")"; }



/* [2] Operateurs
=========================================================*/
	/* (1) Addition */
	ZFraction& operator+=(ZFraction const& x){
		int new_a = this->a * x.b + this->b * x.a;
		int new_b = this->b * x.b;

		ZFraction out = ZFraction(new_a, new_b);

		return &out;
	}