Question
Which of the following pairs represent the same rational number?
−1620 and 20−25
−1620 and 20−25
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Solution
−1620 = −45 if numerator and denominator are divided by 4 than −1620 =−45Similarly, if numerator and denominator are divided by 5 than −2025 =−45
if numerator and denominator are divided by 4 than −1620 =−45
Similarly,
if numerator and denominator are divided by 5 than −2025 =−45
Suggest Corrections
1
(ii) 
(iii) 
(v) 
(vi) 
