Final answer:
A proper fraction is a fraction where the numerator is smaller than the denominator. The fraction 3/4 is an example of a proper fraction.
Step-by-step explanation:
A proper fraction is a fraction where the numerator (the top number) is smaller than the denominator (the bottom number). It represents a value less than 1. In the given options, the fraction 3/4 is the only example of a proper fraction since 3 is less than 4.
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