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Question
simplify the following expression. assume any factors you cancel are not zero.
\\(\dfrac{\dfrac{7}{s} + \dfrac{6}{t}}{st}\\)
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Step1: Combine numerator fractions
Find a common denominator $st$ for the numerator:
$\frac{7}{s} + \frac{6}{t} = \frac{7t + 6s}{st}$
Step2: Rewrite the complex fraction
Replace numerator with combined fraction:
$\frac{\frac{7t + 6s}{st}}{st}$
Step3: Divide by multiplying reciprocal
Dividing by $st$ is multiplying by $\frac{1}{st}$:
$\frac{7t + 6s}{st} \times \frac{1}{st} = \frac{7t + 6s}{s^2t^2}$
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$\frac{7t + 6s}{s^2t^2}$