What is the fraction for 18.6666667?

The fraction for 18.6666667 can be simplified to 56/3. This is because 18.6666667 is equivalent to the repeating decimal 18.6̅, which can be expressed as 56/3 in fraction form. To convert a repeating decimal to a fraction, you can set the repeating part as 'x', subtract the original number from the shifted number, and solve for 'x'.