What is the difference between 25 4/9 and 12 / 16

Difference mean subtract 25 4/9 - 12/16

If your question is another thing then

The difference of 25 4/9 and 12/16 is

25 4/9 is mixed number

12/16 is fraction number

You want the answer is decimal is

25 4/9 = keep 25 and take 4 divide by 9 and add 25

25 + 0.44 = 25.44

12/16 you need to simplify 12/16 divide by 4 = 3/4 = 0.75