How are rational and irrational numbers similar?

Both are part of the real numbers; both are infinite sets. (However, there are more irrational than rational numbers.)

Both are part of the real numbers; both are infinite sets. (However, there are more irrational than rational numbers.)

Both are part of the real numbers; both are infinite sets. (However, there are more irrational than rational numbers.)

Both are part of the real numbers; both are infinite sets. (However, there are more irrational than rational numbers.)