Answer:
1/6, 1/13, 2
Explanation:
The reciprocal of a number is the inverse of that number.
6 is the same as 6/1, and the inverse (formed by basically flipping the fraction) is 1/6
Then, for 13, we can do the same thing. 13/1 inverted is 1/13, and 1/2 inverted is 2/1, or just 2.
Hope that helps :)