Question

simplify.
\frac{9}{\frac{9}{7}}

Explanation:

Step1: Recall division by fraction rule

Dividing by a fraction is multiplying by its reciprocal. So $\frac{9}{\frac{9}{7}}=9\times\frac{7}{9}$.

Step2: Simplify the product

$9\times\frac{7}{9}=\frac{9\times7}{9}$, and then cancel out the common factor 9. $\frac{9\times7}{9}=7$.

Answer:

7