(answer is in light of 8th grade)
Rational numbers are numbers that can be written as fractions.
Irrational numbers are numbers that can't be written as fractions.
Example of rationals:
[tex]\frac{1}{2}[/tex]
or
10
Example of irrationals:
[tex]\begin{gathered} \pi \\ \sqrt{2} \end{gathered}[/tex]
