express 84/-147 as a rational number with denominator (i) 7 (ii) -49
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Ans (i)=to get denominator 7 we must divide 84/-147 to -21
84/-147÷-21/-21
-4/7
Ans (ii)=to get denominator -49 we must divide 84/-147 with 3
84/-147÷3/3
28/-49
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