Update Doc/library/fractions.rst

Author: skirpichev

Doc/library/fractions.rst

@@ -26,8 +26,6 @@ a single number, or from a string.
    The first version requires that *numerator* and *denominator* are instances
    of :class:`numbers.Rational` and returns a new :class:`Fraction` instance
    with a value equal to ``numerator/denominator``.
-   The numerator and denominator of this new instance are converted to be in
-   simplest integral terms, always with a positive denominator.
    If *denominator* is zero, it raises a :exc:`ZeroDivisionError`.
 
    The second version requires that *number* is an instance of