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Use a common denominator to determine whether the ratios form a proportion. 6 : 15 and 30 : 80
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Use a common denominator to determine whether the ratios form a proportion.

6 : 15 and 30 : 80

User Phil Mander
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well, the common denominator of6 and 15 would be three so you would get 2 and 3

the common denominator of 30 and 80 would be 10 and it would equal 3 and 8
User Rishabh Srivastava
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