R. David Murray <[email protected]> added the comment:

Please read about floating point arithmetic in the tutorial:

   http://docs.python.org/tutorial/floatingpoint.html

Also observe that this works:

    >>> Fraction(Decimal('1.23'))
    Fraction(123, 100)

So yes, it is a limitation in how floating point is represented...in all 
languages and platforms that use binary floating point.

----------
nosy: +r.david.murray
resolution:  -> invalid
status: open -> closed

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Python tracker <[email protected]>
<http://bugs.python.org/issue9829>
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