Question

Simplify :
325/x - 325/x+15

Answer 1

simplify 325/x - 325/x = ??

Answer 2

yes ! I know that I need to find the LCD of x and x+15 but I dont remember how ...

Answer 3

oh you just multiply one fraction both numerator and denominator by x, and the other by (x+15)

Answer 4

Could you please show me ?

Answer 5

i would say they end up looking like this :

340/ x+15 - 325/ x+15

Answer 6

\(\huge\frac{325 (x+15)}{x(x+15)} - \frac{325(x)}{(x+15)(x)}=?\)

Answer 7

Okay so what is he LCD ?

Answer 8

x(x+15)