What are two ratios that are equivalent to 9/12

Find the greatest common factor (GCF) of 9 and 12 using factor trees. The GCF is 3

Divide each term (9 and 12) over 3
9/3 = 3
12/3 = 4

So 9/12 reduces to 3/4

In other words, 9/12 = 3/4



Now focusing on 3/4, we can multiply top and bottom by the same value. Let's say we multiply top and bottom by 5

3*5 = 15
4*5 = 20

So 3/4 = 15/20



So two ratios equivalent to 9/12 are 3/4 and 15/20. There are infinitely other ratios that are equivalent. 

In short, the answers are 3/4 and 15/20.

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