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W(x)+G(x)=\frac{5x-1}{3x}+\frac{2x+17}{11x^2}=\frac{11x(5x-1)+3(2x+17)}{33x^2}=
\frac{55x^2-11x+6x+51}{33x^2}=\frac{55x^2-5x+51}{33x^2}
2)
W(x)*G(x)=\frac{5x-1}{3x}*\frac{2x+17}{11x^2}=\frac{(5x-1)(2x+17)}{3x*11x^2}=
\frac{10x^2+85x-2x-17}{33x^3}=\frac{10x^2+83x-17}{33x^3}