The negative of a rational number $\frac{- 1}{2}$ is _____.

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$\frac{- 1}{2}$

$\frac{- 3}{2}$

$- 1$

$\frac{1}{2}$

answer is D.

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Detailed Solution

A negative rational number is a rational number that is less than zero. It can be expressed as the ratio of two integers, such as a/b where a and b are integers and b is not equal to zero. It is represented by a negative sign (-) in front of the number.

Therefore, the negative of a rational number $\frac{- 1}{2}$ is $- (\frac{- 1}{2}) = \frac{1}{2}$ .

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