4/5 rational or irrational

Rational

Step-by-step explanation:

Rational numbers are defined through (a/b) in which a and b are both integers and b cannot be 0.

rational

Step-by-step explanation:

4/5 is irrational because when irratinol numbers are in decimal form they go on forever and keep repeating but ratinols can be turned into whole numbers, and when 4/5 gets divided it turns into 0.25 or just 25