Final answer:
A proper fraction is a fraction where the numerator is smaller than the denominator. Option A, 15/22, represents a proper fraction.
Step-by-step explanation:
A proper fraction is a fraction where the numerator is smaller than the denominator. It represents a part of a whole, less than one whole unit. In this case, the proper fraction is represented by option A, which is 15/22. The numerator (15) is less than the denominator (22), making it a proper fraction.
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