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$\fraction{\fraction{2}{a} + \fraction{2}{b}}{\fraction{8}{a b}} $
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\frac{\left(\frac{2}{a}+\frac{2}{b}\right)ab}{8}
Divide \frac{2}{a}+\frac{2}{b} by \frac{8}{ab} by multiplying \frac{2}{a}+\frac{2}{b} by the reciprocal of \frac{8}{ab}.
\frac{\left(\frac{2b}{ab}+\frac{2a}{ab}\right)ab}{8}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of a and b is ab. Multiply \frac{2}{a} times \frac{b}{b}. Multiply \frac{2}{b} times \frac{a}{a}.
\frac{\frac{2b+2a}{ab}ab}{8}
Since \frac{2b}{ab} and \frac{2a}{ab} have the same denominator, add them by adding their numerators.
\frac{\frac{\left(2b+2a\right)a}{ab}b}{8}
Express \frac{2b+2a}{ab}a as a single fraction.
\frac{\frac{2a+2b}{b}b}{8}
Cancel out a in both numerator and denominator.
\frac{2a+2b}{8}
Cancel out b and b.
\frac{\left(\frac{2}{a}+\frac{2}{b}\right)ab}{8}
Divide \frac{2}{a}+\frac{2}{b} by \frac{8}{ab} by multiplying \frac{2}{a}+\frac{2}{b} by the reciprocal of \frac{8}{ab}.
\frac{\left(\frac{2b}{ab}+\frac{2a}{ab}\right)ab}{8}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of a and b is ab. Multiply \frac{2}{a} times \frac{b}{b}. Multiply \frac{2}{b} times \frac{a}{a}.
\frac{\frac{2b+2a}{ab}ab}{8}
Since \frac{2b}{ab} and \frac{2a}{ab} have the same denominator, add them by adding their numerators.
\frac{\frac{\left(2b+2a\right)a}{ab}b}{8}
Express \frac{2b+2a}{ab}a as a single fraction.
\frac{\frac{2a+2b}{b}b}{8}
Cancel out a in both numerator and denominator.
\frac{2a+2b}{8}
Cancel out b and b.