(2) Answers
18 ÷ 3 = 6 21 ÷ 3 = 7 Answer: 6/7
18/21 in simplest form is 6/7 To find the simplest form, you have to find the GCF of 18 and 21 (which is i believe 3) and then divide both numbers by it. (18/3)/(21/3) = 6/7
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