Question

$$3 \frac{ 8 }{ 6 } +4 \frac{ 2 }{ 5 }$$

Answer

28/5

Solution


Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[\frac{3\times 8}{6}+4\times \frac{2}{5}\]
Simplify  \(3\times 8\)  to  \(24\).
\[\frac{24}{6}+4\times \frac{2}{5}\]
Simplify  \(\frac{24}{6}\)  to  \(4\).
\[4+4\times \frac{2}{5}\]
Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[4+\frac{4\times 2}{5}\]
Simplify  \(4\times 2\)  to  \(8\).
\[4+\frac{8}{5}\]
Simplify.
\[\frac{28}{5}\]

Decimal Form: 5.6