Final answer:
A proper fraction is a fraction where the numerator is smaller than the denominator. The example of a proper fraction is 3/4.
Step-by-step explanation:
A proper fraction is a fraction where the numerator (the top number) is smaller than the denominator (the bottom number). From the given options, the example of a proper fraction is C.34. In this case, 3 is smaller than 4, making it a proper fraction.
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