### Home > MC2 > Chapter 5 > Lesson 5.1.1 > Problem5-12

5-12.

Since the spinner must land on any of the portions, all of the portions must add up to 1 because each of the portions is relative to its probability.

Try finding the difference between 1 and the given probability portions.
Since they have different denominators, you must find a common denominator for all of them and convert them to an equivalent fraction.

$\frac{2}{36} \text{ or } \frac{1}{18}$