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Plus sign

We find positive numbers so obvious that we usually omit the plus sign.



A number without a plus sign is positive. Sometimes you can even write an addition without a plus sign.


Example 1

The value 2.5 can be written as a mixed faction

and that's an addition whithout any plus sign. You can also write it as an improper fraction

It is one of the reasons why many people have problems with fractions.


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