To evaluate when plugging in numerical values for variables, simply put the numerical values in the place of the corresponding variables:
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To make this a little clearer, let's give the pairs of inequalities the same denominator:
<span>Question 1:
</span>
? 
First, apply the common denominator to the first fraction:
Do the same for the second:
Nest, compare the two fractions:
Therefore:
>
<span>
Question Two:</span>
? 
Apply the common denominator to fraction one:
Fraction two:
Evaluate:
> 
Therefore:
<span> >
</span>
Hope this helps!
<span>Question 1:
</span>
First, apply the common denominator to the first fraction:
Do the same for the second:
Nest, compare the two fractions:
Therefore:
<span>
Question Two:</span>
Apply the common denominator to fraction one:
Fraction two:
Evaluate:
Therefore:
<span>
</span>
Hope this helps!