Question

Which of the following pairs represent the same rational number?
-7/21 and 3/9
-16/20 and 20/-25
1/3 and -1/9
-5/-9 and 5/-9​

Answer 1

Answer:

option b is the correct answer

-16/20 and 20/-25 are equal

Step-by-step explanation:

• first can't be equal because one is negative other is positive.
• -16/20=-4/5 and 20/-25=-4/5 here it is equal pair.
• third can't be equal
• fourth is also unequal because first one is positive and second is negative.