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Question
Compare: `(5)/-9 and (-5)/-9`
Sum
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Solution
`(5)/-9 and (-5)/-9`
5 × -9 and -5 × -9
`(therefore "a"/"b" "and" "c"/"d" => "a" xx "d" "and" "b" xx "c")`
- 45 < 45 (∵ a × d < b × c)
`therefore (5)/-9 < (-5)/-9`
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Concept for Problem Solving Using Operations on Rational Numbers
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