Question

$4\frac12\times3\frac13\times5\frac14=?$

• A. $$76\frac34$$
• B. $$78\frac23$$
• C. $$78\frac14$$
• D. $$78\frac34$$

Answer 1

Answer:

$$78\frac34$$

$4\frac12\times3\frac13\times5\frac14$

$= \frac92\times\frac{10}{3}\times\frac{21}{4}$

$=\frac{315}{4}$

$=78\frac34$