Answer:
3/4 (
)
Step-by-step explanation:
÷
= 
to find what to divide 9/12 by first, find their factors
9 - 1, 9, and 3
12 - 1, 12, 2, 6, 3, and 4
since both have 1 and 3 in common, divide by 3
so n (the value you're looking for) is 3
n = 3
÷
= 
x = 
your answer is 
hope this helps:)