Question

insert two rational numbers between5 and 6

Answer 1

Very simple dear........
It is 5.1 and 5.2

u can also add many rational numbers in the decimal form

Answer 2

There can be 9 rational numbers between them are 5.1,5.2,5.3,5.4,5.5,5.6,5 .7,5.8,5.9