Question
Express the following rational numbers in its standard form: $\frac{-12}{-30}$

Answer

Given rational number is $\frac{-12}{-30}$
For standard form of given rational number, $=\frac{-12\div6}{-30\div6}$
$[\therefore HCF$ of $12$ and $30 = 6]$
$=\frac{-2}{-5}=\frac{2}{5}$
Hence, the standard form of $\frac{-12}{-30}$ is $\frac{2}{5}.$

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