1/3 = / 6

- 1/6 = / 6

How do you find the unlike denominator. Can you explain

Okay So I see you need to change 1/3 to a denominator of 6

You don't do anything to the - 1/6

But to change the 1/3 you need to multiply 3 and 1 by two, which is 2/6

And the - 1/6 stays the same