Respuesta :

improper because the numerator (top number) is bigger than the denominator (bottom umber)

to make it a proper fraction it would be 1 and [tex] \frac{5}{16}[/tex]

or at least that is what i concluded from what i remember
Proper fraction is a fraction that is greater than 0 but less than 1.

Improper fraction 
has a numerator that is greater than or equal to the denominator.

In this case,  numerator is 21 and denominator is  16.
The numerator is greater than 
denominator; so it's improper fraction.

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