algebras equations
posted by Rochelle .
((y+2)/(y^249))subtract ((y)/(y^2+6y7))
The directions are simplify and subtract

(y+2)

(y7)(y+7)

y

(y+7)(y1)
which you need an LCD for
(y+2) (y1)

(y7)(y+7)(y1)

y (y1)(y7)

(y+7)(y1)(y7) 
y+7

you forgot that pesky "y" upstairs...
y/(y+7)