11/12 of 7 is simply their product.

The greatest common factor of the numerator and denominator of the rational expression is x - 4
<h3>How to determine the greatest common factor?</h3>
The fraction expression is given as:

Factorize the numerator and the denominator

Cancel out the common factor

The common factor that was canceled out is x - 4
Hence, the greatest common factor of the numerator and denominator of the rational expression is x - 4
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Let's x be the rest of it.
x=1-1/4
x=4/4-1/4
x=3/4
Answer:
484
Step-by-step explanation: