Rational Number...

In the standard form of a rational numbers, the denominator is always a 

The reciprocal of $$\dfrac{-3}{8} \times \left(\dfrac{-7}{13}\right)$$ is

$$\dfrac{x + y}{2}$$ is a rational number 

Find the rational number in lowest form of the following

$$\dfrac{-3}{7}$$

Find the positive rational number out of the following.

The reciprocal of the rational number - $$2 \dfrac{3}{7}$$ is

__________ are rational numbers between between 5 and -2.

Choose the rational number, which does not lie, between the rational numbers, $$-\dfrac{2}{3}$$ and $$-\dfrac{1}{5}$$

 Rational numbers between $$\displaystyle \frac{3}{8}$$ and $$\displaystyle \frac{7}{12}$$ are

 ________ are rational numbers between $$\displaystyle -\dfrac{3}{4}$$ and $$\displaystyle \dfrac{1}{2}.$$