Example 4: Calculate y and reduce.
Answer: The answer is 2.
Simplify the left fraction first by simplifying its numerator and denominator. The numerator is simplified with the following steps:
Simplify the denominator of the left fraction next.
The left fraction
Now follow the same procedure for the right fraction. The numerator .
The denominator
The right fraction .
The problem can now be written .
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Author: Nancy Marcus