Question

hamid it says 5 by 3 is a rational number and 5 only a natural number Shikha says both are rational numbers with whom do you agree

Answer 1

5 and 3 both are themselves rational number. A rational number divided by rational number is a rational number.
so both Hamid and Shikha are true

Answer 2

I agree with Hamid because a rational number is in the form p/q in which q is not equal to 0