## anonymous one year ago Get rid of the fraction by multiplying by the common denominator (x-2)/18 = (x-3)/15

1. anonymous

270

2. anonymous

15x-30+18x-54 on top? @mathway

3. anonymous

but i have a common denominator of three

4. anonymous

Are you finding for x?

5. anonymous

it just says get rid of the fractions by finding the common denominator on the paper

6. anonymous

The common denominator is 3.

7. anonymous

Yeah, after I find the common denominator then what do I do to the top? Does it change?

8. anonymous

@mathway

9. anonymous

No

10. anonymous

270 is actually the common deoninator

11. anonymous

ugghhh i'm confused

12. anonymous

270 works because it's 18*15. Any number that both 18 and 15 go into works. I think 90 is the smallest. I think this is what you're trying to do$\frac{ 270(x-2) }{ 18 }=\frac{ 270(x-3) }{ 15 }$ and then reduce the whole numbers $15(x-2)=18(x-3)$ Which is exactly what you got when you cross multiplied

13. anonymous

see you made me confused a while ago >.< thanks @peachpi !

14. anonymous

np