Answer:
1:3 or 1/3
Step-by-step explanation:
Because 3/9=1/3.
1:3
Find a ratio equivalent to 3:9 with dividing by its GCF.
Factors of three: 1, 3
Factors of nine: 1, 3, 9
As you can see, the GCF of 3 and 9 is 3.
Divide both numbers in the ratio by 3.
3/3:9/3 = 1:3
