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Give four rational numbers equivalent to: (i) - 2/ 7

Q 3.     Give four rational numbers equivalent to:

 

    (i)     \frac{-2}{7}

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\frac{-2}{7} can be written as:

\frac{-2}{7} = \frac{-2\times2}{7\times2} = \frac{-4}{14}                 \frac{-2}{7} = \frac{-2\times3}{7\times3} = \frac{-6}{21}

\frac{-2}{7} = \frac{-2\times4}{7\times4} = \frac{-8}{28}                \frac{-2}{7} = \frac{-2\times5}{7\times5} = \frac{-10}{35}

Hence, the required equivalent rational numbers are

\frac{-4}{14},\frac{-6}{21}, \frac{-8}{28},\ and\ \frac{-10}{35} .

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