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Question
Compare: `2/7 and (-3)/-8`
Sum
Solution
`2/7 and (-3)/8`
2 × 8 and 7 × -3
`(because "a"/"b" "and" "c"/"d" => "a" xx "d" "and" "b" xx "c")`
16 > -21 (∵ a × d > b × c)
`therefore 2/7 > (-3)/8`
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