# What is the difference of 13.9 - 13.70?

Another way of thinking about it. Same thing but in disguise!

We know that 9 can be split (partitioned) into 7+2 so 0.9 = 0.7+0.2 We also know that 13.70 + 0 = 13.70

Putting it all together we have

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They differ by

In Maths, the word "DIFFERENCE" implies a subtraction.

It is asking by how much the numbers differ. We usually take the small one away from the bigger one, which is written on top: Line up the decimal points under each other and subtract from the right towards the left.

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The difference between 13.9 and 13.70 is 0.20.

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