how do i simplify the ratio of 63:21

63:21=___:___ (simplified)

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2 Answers

21 divides into both parts of the ratio, so divide each of them by 21 to give 3:1.
by Top Rated User (1.1m points)

List your factors of 63 or 21.Factors of 21: 1, 3, 7, 21

Factors of 63:  1, 3, 21, 63

GCF: 21

63/ 21 = 3

21/21 = 1

Your answer is 3 to 1 or 3:1

by Level 1 User (300 points)

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