Question

Which of the following rational numbers are equal?
(0) (-9/12) and (8/-12)
(ii) (-16/20) and (20/-25)
(iii) (-7/21) and (3/-9)
(iv) (-8/-14) and (13/21)​

Answer 1

Answer:

(iii) (-7/21) and (3/-9) is the correct answer.

Answer 2

Answer:

-7/21) and (3/-9)

Step-by-step explanation:

-7/21) and (3/-9)

-7*-9=21*3

63=63

so -7/21) and (3/-9) are equal

or

-7/21= -1/3

3/-9=-1/3

so -7/21) and (3/-9) are equal