Question

(4a)/(3bc)-(15b)/(5ac)
Ik the LCD is 15, where do i go from there?

Answer 1

ohh so when adding or subtracting fractions u need teh same denomanator

Answer 2

we have on the first fraction 3bc and the second 5ac
so teh common denomanator wld be 15abc

Answer 3

okay thanks.

Answer 4

is that it or do u still need help?

Answer 5

after i get the same denomanator would i multiply the 4a by 5 ac? and the 15b by 3bc?

Answer 6

kinda like cross multiply?

Answer 7

ok the 4a is by 5c and the15b by by 3b

Answer 8

noo its not like cross mutiplying imo

Answer 9

oh... so when you multiply the 4a by 5c the a's cancell each other out???

Answer 10

okkk let me show u give me a sec

Answer 11

okay....