Q 2.     Find

 

    (ii)     \frac{5}{63}-\left (\frac{-6}{21} \right )

Answers (1)

Given   \frac{5}{63}-\left (\frac{-6}{21} \right ):

LCM of 63 and 21 is 63, 

Then we have;

\Rightarrow \frac{5}{63}-\left (\frac{-6\times3}{21\times3} \right ) = \frac{5+18}{63} =\frac{23}{63}

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