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Fraction Multiplication and Related Operations
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Which of the following is the reciprocal of $\dfrac{7}{9}$ ?
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A
$\dfrac {9}{7}$
💡 Explanation:
Let $\dfrac{p}{q}=\dfrac{7}{9}$
where $p=7,q=5$
$\therefore$ the reciprocal of the given fraction $\dfrac{q}{p}=\dfrac{9}{7}$