Chapter 1, Problem 4A

The circle in Figure 1-5 is divided into equal parts. Write the fractional part represented by each of the following in Exercises 3 and 4:

4. a. $\frac{1}{2}$ of 1 part______.
b. $\frac{1}{3}$ of 1 parts ______.
c. $\frac{1}{4}$ of 1 parts ______.
d. $\frac{1}{10}$ of 1 parts .______
e. $\frac{1}{16}$ of 1 parts ______.