Hi 5/(2x^2-2) - 4/(3x^2-3x-6) 5/[2(x^2-1)] - 4/[3(x^2-x-2)] LCD is 6(x-1)(x-2)(x+1) [5*3(x-2) - 4*2(x-1)] / 6(x-1)(x-2)(x+1) [15(x-2) - 8(x-1)] / 6(x-1)(x-2)(x+1) (7x - 22)/ 6(x-1)(x-2)(x+1)