Q 2.     Find

 

    (iv)    \frac{-3}{8}-\frac{7}{11}     

Answers (1)

Given \frac{-3}{8}-\frac{7}{11}:

LCM of 8 and 11 is 88, then

\Rightarrow \frac{-3}{8}-\frac{7}{11} = \frac{-3\times11}{8\times11} - \frac{7\times8}{11\times8}

\Rightarrow \frac{-33}{88} - \frac{56}{88} = \frac{-33-56}{88} = \frac{-89}{88}

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