Question

Which pairs of numbers represent a number and its reciprocal?

1 and 1
2/3 and -3/2
1/2 and 5
6 and 1/6
-4/7 and -7/4

Answer 1

1 and 1

2/3 and -3/2

Step-by-step explanation:

1 is always the reciprocal of 1, and when finding the reciprocal for fractions you just flip the numbers and change the sign.