Write the following as a rational number with positive denominator.
$\frac{1}{- 2}$

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Solution

$\frac{1}{- 2}$
To write it in positive denominator form we have to multiply and divide the same number with $- 1$
$∴ \frac{1}{- 2} = \frac{1 \times (- 1)}{- 2 \times (- 1)} = \frac{- 1}{2}$

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Write the following as a rational number with positive denominator.1−2

1−2To write it in positive denominator form we have to multiply and divide the same number with −1∴1−2=1×(−1)−2×(−1)=−12

Write the following as a rational number with positive denominator.
$\frac{1}{- 2}$

$\frac{1}{- 2}$
To write it in positive denominator form we have to multiply and divide the same number with $- 1$
$∴ \frac{1}{- 2} = \frac{1 \times (- 1)}{- 2 \times (- 1)} = \frac{- 1}{2}$