What is 11.5 over 100 in simplest form?

To simplify 11.5 over 100, we first convert the decimal to a fraction by moving the decimal point two places to the right, resulting in 115 over 1000. Then, we can simplify this fraction by dividing both the numerator and denominator by their greatest common factor, which is 5. This gives us the simplest form of 23 over 200.