Chapter 4, Problem 8A

Multiply the fractions in Exercises 7 through 9. Reduce to lowest terms where necessary.

8.a. $\frac{3}{4}\times \frac{3}{5}\times \frac{2}{3}$
b. $7\times \frac{9}{14}\times 3$
c. $\frac{7}{15}\times \frac{3}{8}\times \frac{5}{7}$