Question

which of the following pairs represent the same rational number? (1), "-7/21" and 3/9 , (2) "-16/20" and 20/-25 , (3) "-2/-3" and 2/3 , (4) "-3/5" and "-12/20" , (5) 8/-5 and "-24/15" , (6) 1/3 and "-1/9" , (7) "-5/-9" and 5/-9​

Answer 1

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