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Question
From the given pairs, find which ratio is larger:
(3 : 7) or (4 : 9)
Solution
(3:7) or (4:9)
Making the denominator equal:
`(3×9)/(7×9) = 27/63` and `(4×7)/(9×7)=28/63`
⇒` 27/63<28/63`
(3:7) < (4:9)
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