How do I solve and write out this problem " Write 7 with the denominator 3. The answer is 21/3, but I do not understand how you get that answer.

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Fractions are division problems.

7/1 = 7

14/2 = 7

21/3 = 7

28/4 = 7

etc...

Since the fraction must have a denominator of 3, the numerator must be 21 in order for the fraction to equal 7.

21/3 means "21 divided 3", which equals 7.

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