diff --git a/python-temel/rational.class.py b/python-temel/rational.class.py
new file mode 100644
index 0000000..326d167
--- /dev/null
+++ b/python-temel/rational.class.py
@@ -0,0 +1,150 @@
+import math
+
+class Rational:
+    def __init__(self, a=0, b=1):
+        if not isinstance(a, int) or not isinstance(b, int):
+            raise TypeError('numerator and denominator must be int!')
+
+        if b == 0:
+            raise ValueError('denominator must not be 0!')
+        self.a = a
+        self.b = b
+
+        self._simplify()
+
+
+    def __repr__(self):
+        if self.b == 1:
+            return str(self.a)
+        if self.a == 0:
+            return '0'
+
+        return f'{self.a}/{self.b}'
+
+    def _simplify(self):
+        gcd = math.gcd(self.a, self.b)
+
+        self.a //= gcd
+        self.b //= gcd
+
+    def __add__(self, r):
+        if isinstance(r, int):
+            a = r * self.b + self.a
+            b = self.b
+        else:
+            a = self.a * r.b + self.b * r.a
+            b = self.b * r.b
+
+        return Rational(a, b)
+
+    __radd__ = __add__
+
+    def __sub__(self, r):
+        if isinstance(r, int):
+            a = r * self.b - self.a
+            b = self.b
+        else:
+            a = self.a * r.b - self.b * r.a
+            b = self.b * r.b
+
+        return Ratioanal(a, b)
+
+    __rsub__ = __sub__
+
+    def __mul__(self, r):
+        if isinstance(r, int):
+            a = self.a * r
+            b = self.b
+        else:
+            a = self.a * r.a
+            b = self.b * r.b
+
+        return Rational(a, b)
+
+    __rmul__ = __mul__
+
+    def __truediv__(self, r):
+        if isinstance(r, int):
+            a = self.a
+            b = self.b * r
+        else:
+            a = self.a * r.b
+            b = self.b * r.a
+            
+        return Rational(a, b)
+
+    __rtruediv__ = __truediv__
+            
+
+    def __lt__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b < r
+        
+        return self.a / self.b < r.a / r.b
+
+    def __le__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b <= r
+        
+        return self.a / self.b <= r.a / r.b
+
+    def __gt__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b > r
+        
+        return self.a / self.b > r.a / r.b
+
+    def __ge__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b >= r
+        
+        return self.a / self.b >= r.a / r.b
+
+    def __eq__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b == r
+        
+        return self.a / self.b == r.a / r.b
+
+    def __ne__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b != r
+        
+        return self.a / self.b >= r.a != r.b
+
+    def __float__(self):
+        return self.a / self.b
+    
+    def __int__(self):
+        return self.a // self.b
+    
+    def __bool__(self):
+        return self.a != 0
+
+x = Rational(3, 2)
+y = Rational(1, 2)
+
+result = x + y * x
+print(result)
+
+result = x / 2
+print(result)
+
+result = float(x)
+print(result)
+
+result = int(x)
+print(result)
+
+z = Rational()
+if z:
+    print('Doğru')
+else:
+    print('Yanlış')
+
+if x > y:
+    print('x > y')
+elif x < y:
+    print('x < y')
+elif x == y:
+    print('x == y')
diff --git a/python-temel/rational.class.py~ b/python-temel/rational.class.py~
new file mode 100644
index 0000000..dc70866
--- /dev/null
+++ b/python-temel/rational.class.py~
@@ -0,0 +1,147 @@
+import math
+
+class Rational:
+    def __init__(self, a=0, b=1):
+        if not isinstance(a, int) or not isinstance(b, int):
+            raise TypeError('numerator and denominator must be int!')
+        if b == 0:
+            raise ValueError('denominator must not be 0!')
+        self.a = a
+        self.b = b
+
+        self.simplify()
+
+
+    def __repr__(self):
+        if self.b == 1:
+            return str(self.a)
+        if self.a == 0:
+            return '0'
+
+    def _simplify(self):
+        gcd = math.gcd(self.a, self.b)
+
+        self.a //= gcd
+        self.b //= gcd
+
+    def __add__(self, r):
+        if isinstance(r, int):
+            a = r * self.b + self.a
+            b = self.b
+        else:
+            a = self.a * r.b + self.b * r.a
+            b = self.b * r.b
+
+        return Rational(a, b)
+
+    __radd__ = __add__
+
+    def __sub__(self, r):
+        if isinstance(r, int):
+            a = r * self.b - self.a
+            b = self.b
+        else:
+            a = self.a * r.b - self.b * r.a
+            b = self.b * r.b
+
+        return Ratioanal(a, b)
+
+    __rsub__ = __sub__
+
+    def __mul__(self, r):
+        if isinstance(r, int):
+            a = self.a * r
+            b = self.b
+        else:
+            a = self.a * r.a
+            b = self.b * r.b
+
+        return Rational(a, b)
+
+    __rmul__ = __mul__
+
+    def __truediv__(self, r):
+        if isinstance(r, int):
+            a = self.a
+            b = self.b * r
+        else:
+            a = self.a * r.b
+            b = self.b * r.a
+            
+        return Rational(a, b)
+
+    __rtruediv__ = __truediv__
+            
+
+    def __lt__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b < r
+        
+        return self.a / self.b < r.a / r.b
+
+    def __le__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b <= r
+        
+        return self.a / self.b <= r.a / r.b
+
+    def __gt__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b > r
+        
+        return self.a / self.b > r.a / r.b
+
+    def __ge__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b >= r
+        
+        return self.a / self.b >= r.a / r.b
+
+    def __eq__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b == r
+        
+        return self.a / self.b == r.a / r.b
+
+    def __ne__(self, r):
+        if isinstance(r, int):
+            return self.a / self.b != r
+        
+        return self.a / self.b >= r.a != r.b
+
+    def __float__(self):
+        return self.a / self.b
+    
+    def __int__(self):
+        return self.a // self.b
+    
+    def __bool__(self):
+        return self.a != 0
+
+x = Rational(3, 2)
+y = Rational(1, 2)
+
+result = x + y * x
+print(result)
+
+result = x / 2
+print(result)
+
+result = float(x)
+print(result)
+
+result = int(x)
+print(result)
+
+z = Rational()
+if z:
+    print('Doğru')
+else:
+    print('Yanlış')
+
+if x > y:
+    print('x > y')
+elif x < y:
+    print('x < y')
+elif x == y:
+    print('x == y')