Question

If you wanted to find the difference of 6/25-4/5, what common denominator should you choose? why?

Answer 1

25 because 6 can not be divided by 5.

Answer 2

but what about the -4

Answer 3

That would be multiplied by 5 too

Answer 4

oh i see :) thank you

Answer 5

6/25-20/25 is what it would look like