public PhanSo thuong(PhanSo p1, PhanSo p2)
{
int tu = p1.tuS * p2.mauS;
int mau = p1.mauS * p2.tuS;
PhanSo kq = new PhanSo(tu, mau);
kq.rutGon(kq);
return(kq);
}
public PhanSo rutGon(PhanSo rg)
{
int u = UCLN(tuS, mauS);
if (u != 0)
{
rg.tuS = tuS / u;
rg.mauS = mauS / u;
}
else
{
rg.tuS = tuS;
rg.mauS = mauS;
}
return(rg);
}
static void Main(string[] args)
{
Console.Write("nhap tu so phan so thu 1: ");
int tu = Convert.ToInt32(Console.ReadLine());
Console.Write("nhap mau so phan so thu 1: ");
int mau = Convert.ToInt32(Console.ReadLine());
PhanSo ps1 = new PhanSo(tu, mau);
Console.Write("phan so thu 1: ");
ps1.rutGon(ps1);
ps1.inPhanSo();
Console.Write("nhap tu so phan so thu 2: ");
int tu2 = Convert.ToInt32(Console.ReadLine());
Console.Write("nhap mau so phan so thu 2: ");
int mau2 = Convert.ToInt32(Console.ReadLine());
PhanSo ps2 = new PhanSo(tu2, mau2);
Console.Write("phan so thu 2: ");
ps2.rutGon(ps2);
ps2.inPhanSo();
PhanSo sum = new PhanSo();
sum = sum.tong(ps1, ps2);
Console.Write("tong 2 phan so: ");
sum.inPhanSo();
sum = sum.Hieu(ps1, ps2);
Console.Write("hieu 2 phan so: ");
sum.inPhanSo();
sum = sum.tich(ps1, ps2);
Console.Write("tich 2 phan so: ");
sum.inPhanSo();
sum = sum.thuong(ps1, ps2);
Console.Write("thuong 2 phan so: ");
sum.inPhanSo();
Console.Read();
}