By what number should (-30)^ -1 be divided to get (6)^ -1 ? - Vidyadip

Question

By what number should $(-30)^{-1}$ be divided to get $(6)^{-1}$ ?

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Answer

The required number $=(-30)^{-1}\div(6)^{-1}$
$=\frac{-1}{30}\div\frac{1}{6}$
$=\frac{-1}{30}\times\frac{6}{1}$
$=\frac{-1}{5}$

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