Thread: fractions common demoninator

whats the LCD for

b 2b
-- --
(b+5) (b-5)


and

1 3
-- --
2xy x^2





and


1 5
-- --
12a^2b 18b^2

and


6 4x
-- --
x-3 (x-3)^2






there all two fractions by the way i have no idea what the sign is for fractions on the internet

Originally Posted by elfen_lied

whats the LCD for

b 2b
-- --
(b+5) (b-5)

and

1 3
-- --
2xy x^2

and

1 5
-- --
12a^2b 18b^2

and


6 4x
-- --
x-3 (x-3)^2


there all two fractions by the way i have no idea what the sign is for fractions on the internet

Hello,

you asked for the LCD only: If you can't factor the denominators the LCD is the product of both denominators:









EB