What is 12.5 as a fraction?

The number 12.5 can be expressed as a fraction as 12 1/2 or 25/2. This is because 0.5 is equal to 1/2, so 12.5 is equal to 12 + 1/2 which can also be written as a mixed number as 12 1/2. In decimal form, 12 1/2 is also equal to 12.5.