A. Find the LCD for the given rational expression.

B. Rewrite them as equivalent rational expressions with the least common denominator.
5/a^2+5a+4,
4a/a^2+3a+2

1 answer

a^2+5a+4 = (a+1)(a+4)
a^2+3a+2 = (a+1)(a+2)
So the LCD = ......