posted by Diana .
subtract. express in simplest form
13x/30 - 4x/ 15 =
factor the first denominator. Get a common denominator. Combine terms.
I will be happy to critique your work.
13x/30 - 4x/ 15 = This is where I get lost, I know that I have to fins the LCD but when I do that it looks like this for me
where to I go from here I have one 2, 2 3's and 2 fives.
13x/30 * 1/1= 13x/30
41/15* 2/2 = 8x/30
13x/30 - 8x/ 30 = 5x/30 = x/6
Am I getting this