Final answer:
To write 0.25 as a fraction, you can set it up as a ratio with the denominator as 100. Therefore, 0.25 can be written as 1/4.
Step-by-step explanation:
To write 0.25 as a fraction, we can set it up as a ratio with the denominator as 100 since 0.25 is equivalent to 25%. So, 0.25 can be written as 25/100, which can be further simplified to 1/4. Therefore, 0.25 as a fraction is 1/4.