Write as a whole number or mixed number in simplest for

21/4

21/4 = 5 1/4

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To write the fraction 21/4 as a whole number or mixed number in simplest form, you can divide the numerator (21) by the denominator (4).

Dividing 21 by 4, we get 5 with a remainder of 1.

So, 21/4 can be written as the mixed number 5 1/4, where 5 is the whole number and 1/4 is the fraction. This is the simplest form of the mixed number representation for the fraction 21/4.