Answer:

1. 4/3

2. 5/2

3. 4

4. 3

5. 10/3

Step-by-step explanation:

Just reverse the numerator of the fractions, it will be its reciprocal.

in case of numbers 3 and 4, in number 3, it becomes 4/1 which is also equal to 4. And in number 4, it becomes 12/4 which is equal to 3