Clean-up and speed-up code by accessing numerator/denominator directly.  There's no reason to enforce readonliness
diff --git a/Lib/rational.py b/Lib/rational.py
index e34a713..60cd129 100755
--- a/Lib/rational.py
+++ b/Lib/rational.py
@@ -94,7 +94,7 @@
 
     """
 
-    __slots__ = ('_numerator', '_denominator')
+    __slots__ = ('numerator', 'denominator')
 
     # We're immutable, so use __new__ not __init__
     def __new__(cls, numerator=0, denominator=1):
@@ -134,8 +134,8 @@
             raise ZeroDivisionError('Rational(%s, 0)' % numerator)
 
         g = _gcd(numerator, denominator)
-        self._numerator = int(numerator // g)
-        self._denominator = int(denominator // g)
+        self.numerator = int(numerator // g)
+        self.denominator = int(denominator // g)
         return self
 
     @classmethod
@@ -208,14 +208,6 @@
             result = new
         return result
 
-    @property
-    def numerator(a):
-        return a._numerator
-
-    @property
-    def denominator(a):
-        return a._denominator
-
     def __repr__(self):
         """repr(self)"""
         return ('Rational(%r,%r)' % (self.numerator, self.denominator))