Question 103729
the LCD is the product of the two denominators


{{{(6(y+1))/((y-4)(y+1))-(1(y-4))/((y-4)(y+1))}}} ... {{{((6y+6)-(y-4))/((y-4)(y+1))}}} ... {{{(5y+10)/((y-4)(y+1))}}}