Question

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Answer 1

I don't know if this is a direct answer but you'll have to divide 9 and 21 to get your answer

Answer 2

So first you'd want to divide 21/9 and what do you get?

Answer 3

so 7/3 or 3/7

Answer 4

3/7 because the numerator can't be bigger than the denominator

Answer 5

21/9 = (7*3)/(3*3) = 7/3

bc. 21 cups of juice want to share to 9 people

@XioGonz