Rational Number or Rational Mothod in ruby or Rational operation Rational Number is always comes with paired integer Number(1 ,2 ,3 .... && -1, -2, .....) x/y (where y>0). Rational (1) => (1/1) Rational (2, 5) =>(2/5) Rational(4, -8) => (-1/2) 5.to_r =>(5/1) 2/3r => (2/3) Rational into Numeric rational*numeric -> numeric (perfoms multiplecation) Rational(1, 3) * Rational(2, 3) => (2/9) Rational(200) * Rational(1) => (200/1) Rational(-5, 4) * Rational(-4, 5) => (1/1) Rational(9, 4) * 4 => (9/1) Rational(20, 9) * 9.8 => 21.77777777777778 rat ** numeric => numeric (Performs exponentiation) Rational(3) ** Rational(3) => (27/1) Rational(10) ** -2 => (1/100) Rational(10) ** -2.0 => 0.01 Rational(-4) ** Rational(1,2) => (1.2246063538223773e-16+2.0i) Rational(1, 2) ** 0 => (1/1) Rational(2,