Frequent Questions about our Solver

The problem

Click to see the original problem

What happened with one?

Answer provided by our tutors

Go to 'Options' and select Show: a lot of steps:

This way you will get an additional explanation:

Another way to explain this, is you have the following double fraction:

The product of the ends will be in the numerator of the resulting fraction, and the product of the internal digits will be the denominator of the fraction.

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