Main Difference. The main difference between Rational Numbers and Irrational numbers is that the rational numbers can be written in fraction form whereas irrational numbers cannot be written in a fractional form where denominator and numerator are not equal to zero.
Numbers that can be expressed as a ratio of two number (p/q form) are termed as a rational number. ... Both the numerator and denominator are whole numbers, in which the denominator is not equal to zero. Irrational numbers cannot be written in fractional form.
