Simplify dfrac15x+dfrac16x2\\dfrac{15}{x} + \\dfrac{16}{x^2}dfrac15x+dfrac16x2
dfrac15+16x+x2\\dfrac{15 + 16}{x + x^2}dfrac15+16x+x2
dfrac31x2\\dfrac{31}{x^2}dfrac31x2
dfrac15x+16x2\\dfrac{15x + 16}{x^2}dfrac15x+16x2
dfrac15xx2\\dfrac{15x}{x^2}dfrac15xx2