Answer :

ratio: 72 to 126
can be turned into a fraction 72/126

we then simplify the fraction 72/126

72 ÷ 2 = 36
126 ÷ 2 = 63
36 ÷ 3 = 12
63 ÷ 3 = 21

72/126 ⇒ 36/63 ⇒ 12/21

ratio of 72 to 126 is 12 to 21.

72/126 = 0.5714
12/21 = 0.5714
72/126
divide both by: 1, 2, 3, 6, 9, or 18
i went with: 6
72 divided by 6 = 12 times 6 = 72
126 divided by 6 = 21 times 6 = 126
now the fraction is: 12/21

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