A fraction is written in terms of two parts: the number on top is called the numerator and the number on the bottom is called the denominator. We can use the division method to solve this question. To get a decimal, simply divide the numerator 21 by the denominator 40:
21 (numerator) ÷ 40 (denominator) = 0.53
As a result, you get 0.53 as your answer when you convert 21/40 to a decimal.
Practice some more problems on converting fractions to decimals:
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