Question

Write 9 as a fraction with 7 in the num denominator

Answer 1

The answer would be $\frac{9}{7}$

7 is the denominator and 9 is the numerator. 
 
 

Answer 2

If I understand you correctly, you want a fraction with
7 in the denominator, but the whole thing still has to
be equal to  9 .

Here's a fraction like that:      63/7 .