Chapter A.6, Problem 5RP

19.

To determine

Compute $\frac{2}{3}\times \frac{4}{5}=?$

20.

To determine

Compute $\frac{5}{8}+\frac{3}{2}$.

21.

To determine

Compute $\frac{1}{3}+\frac{1}{5}+\frac{2}{3}$.

22.

To determine

Compute $-\frac{2}{7}\times \frac{1}{2}\times \frac{4}{5}$

23.

To determine

Compute $\frac{2}{3}\sqrt{\frac{4}{5}}$

24.

To determine

Compute $\frac{2}{3}-\frac{3}{7}$.

25.

To determine

Compute $\frac{5}{6}-\frac{11}{12}$.

26.

To determine

Compute $-\frac{5}{3}÷\frac{10}{6}$.