Rational Numbers

Which of the following is a rational number?

What is the sum of the rational numbers \( \frac{2}{5} \) and \( \frac{3}{10} \)?

If \( x = \frac{m}{n} \) and \( y = \frac{p}{q} \) are rational numbers, which of the following is always a rational number?

Express the rational number \( \frac{45}{-60} \) in its simplest form.

Which of the following rational numbers is equal to \( -\frac{7}{9} \)?

Find the rational number between \( \frac{3}{7} \) and \( \frac{4}{7} \).

If \( \frac{a}{b} \) and \( \frac{c}{d} \) are two rational numbers such that \( \frac{a}{b} > \frac{c}{d} \), which of the following is true?

Solve for x if \( \frac{2x - 3}{5} = \frac{7}{10} \).

Which of the following is NOT a rational number?

If \( x = \frac{p}{q} \) is a rational number, which of the following is always rational?