Fractions   »      

A unit fraction is a fraction
where the numerator is 1.

When you started the website, a subtraction
of two unit fractions was created.
Unfortunately, the denominator of one fraction is missing. You have to find it.

Example:


Click on  check  to check your answer.
Click on  new  to create a new problem.
Can you top 295 points?


subtract unit fractions
Attention, not easy!

Is there a solving trick?
 -   = 
        

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