Which of the following is equal to $\frac{4}{5}$ ?
(A) 4.5
(B) 0.8
(C) 80.0
(D) 0.08
(E) 0.45
Solution 1

The fraction $\frac{4}{5}$ is equal to $4 \div 5$ or 0.8 .

Solution 2

Since $\frac{4}{5}$ is equal to $\frac{8}{10}$, then $\frac{4}{5}=0.8$.

ANSwer: (B)