Numbertown ---- Bigger or smaller? By how much?

So far it’s been useful to use fraction ID cards to help answer comparison of fraction questions. But that's like having training wheels on your bicycle. We need a better way to find out EXACTLY how much more one fraction is than another.

By now, you should notice that every costume in a particular fraction's costume closet is the same size. But how do you compare with other fraction's costume closets? For example, how much bigger is 1/2 than 1/3?

So far we know that you can tell that 1/2 is bigger than 1/3 by comparing their ID pictures, but you can't tell by how much. This is where each fraction looks in their costume closet for the same denominator. 

The 1/2 closet has 1/2, 2/4, 3/6, 4/8, 5/10, 6/12, etc.
The 1/3 closet contains 1/3, 2/6, 3/9, 4/12, etc.

What is the denominator match in this listing? It's 6!

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