Final answer:
A proper fraction is a fraction where the numerator is less than the denominator. The proper fraction in this question is 1/10.
Step-by-step explanation:
A proper fraction is a fraction where the numerator (the top number) is less than the denominator (the bottom number). In this case, the only option that fits this definition is B. 1/10. It is a proper fraction because 1 is less than 10.
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