# Rational-Bojidara

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Never
```using System;

namespace Rational
{
class Rational
{
int num;
int den;
public Rational(Rational r)
{
this.num = r.num;
this.den = r.den;
}
public Rational(int n, int d)
{
this.num = n;
this.den = d;
normalize();
}
public double getDec()
{
return (double)this.num / this.den;
}

public Rational multi(Rational r)
{
return new Rational(this.num * r.num, this.den * r.den);
}
public string print(){
return string.Format("{0}/{1}", this.num, this.den);
}

public Rational dev(Rational r)
{
return new Rational(this.num * r.den, this.den * r.num);
}

public Rational add(Rational r)
{
int n = r.num*this.den + r.den*this.num;
int d = this.den *= r.den;
return new Rational(n, d);

}
public Rational sub(Rational r)
{
int t = (r.den * this.num) - (r.num * this.den);
int p = r.den*this.den;
return new Rational(t, p);
}
void normalize()
{
int a = Math.Abs(this.num);
int b = Math.Abs(this.den);
while (a != b)
{
if (a > b) a -= b;
else b -= a;
}
this.num /= a;
this.den /= a;
}
}

class HelloWorld
{
static void Main(string[] args)
{
Rational a = new Rational(2,5);
Rational b = new Rational(3,4);
Rational c = a.sub(b);
Console.WriteLine(c.print());
Console.WriteLine(c.getDec());
}

}
}```