Which of the following is a unit fraction?
$\frac{1}{8}$18
$\frac{4}{9}$49
$\frac{5}{8}$58
What fraction of the circle is shaded?
Leave your answer in an unsimplified form.
What is the fraction represented by the point on the number line?
Express the following fraction in its simplest form: $\frac{20}{35}$2035