[tex]\displaystyle\bf\\\frac{44x^{4}y^{3} }{66x^{2} y^{4} } =\frac{22x^{2} y^{3}\cdot 2x^{2} }{22x^{2} y^{3}\cdot 3y } =\frac{2x^{2} }{3y}[/tex]