Answer:
The difference between the greatest and smallest rational number
Explanation:
Step(i):-
Given that the rational numbers

we have to find that the difference between the greatest and the smallest rational numbers
solution:-
The greatest rational number =
Convert into decimal = 0.55
The smallest rational number =

Convert into decimal = 0.4
The difference between the greatest and smallest rational number

=


Final answer:-
The difference between the greatest and smallest rational number
