What ratio is equivalent to 3:9

1:3

Step-by-step explanation:

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

1:3 or 1/3

Step-by-step explanation:

Because 3/9=1/3.