Question

Which of the following rational numbers are positive:

(i) (-8/7)

(ii) (9/8)

(iii) (-19/-13)

(iv) (-21/13)

Answer 1

Given (-8/7), (9/8), (-19/-13), (-21/13)

A rational number is said to be positive if its numerator and denominator are either positive integers or both negative integers.

Therefore the positive rational numbers are (9/8) and (-19/-13).