Question

Which of the following rational numbers is positive?

• A. $\frac{-8}{7}$
• B. $\frac{19}{-13}$
• C. $\frac{-3}{-4}$
• D. $\frac{-21}{13}$

Answer 1

The correct option is C

$\frac{-3}{-4}$

Step 1. Explanation for the correct option.

As, $\frac{-3}{-4}=\frac{3}{4}$ which is a positive rational number.

Step 2. Explanation for the incorrect options.

The rational numbers $\frac{-8}{7}$, $\frac{19}{-13}$ and $\frac{-21}{13}$ are negative rational numbers.

Hence, the correct option is $\mathrm{C}$.