alleryThe reciprocal of a proper fraction is always what?
AAlways proper
BAlways zero
CAlways improper
DAlways integer
Answer & Solution
Correct answer: C. Always improper
1. A proper fraction such as 2/9 has a smaller numerator than denominator.
2. Swapping gives 9/2, whose numerator is larger, so it is improper.
3. It is not proper or zero, and it can still be written in fraction form.
_Source: Wikipedia, Fraction, section Reciprocals and the invisible denominator_
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