Frequent Questions about our Solver

The problem

Click to see the original problem

I do not understand this part of the equation We need to reduce this fraction

to the lowest terms.

This can be done by dividing out those factors

that appear both in the numerator and in the denominator.

In our example, this is the common factor:

2

Answer provided by our tutors

The common factor of '2' is divided into both sides of the equation.  So 2/2 equals to 1 and 0/2 equals to zero. 

Clicking on a particular solution step also provides useful logic:

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