Question

$$\frac{ \frac{ 1 }{ 2 } +1+2 \times \frac{ 3 }{ 4 } }{ ( \frac{ 3 }{ 5 } + \frac{ 2 }{ 5 } ) \frac{ 3 }{ 5 } }$$

Answer

5

Solution


Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[\frac{\frac{1}{2}+1+\frac{2\times 3}{4}}{(\frac{3}{5}+\frac{2}{5})\times \frac{3}{5}}\]
Simplify  \(2\times 3\)  to  \(6\).
\[\frac{\frac{1}{2}+1+\frac{6}{4}}{(\frac{3}{5}+\frac{2}{5})\times \frac{3}{5}}\]
Simplify  \(\frac{6}{4}\)  to  \(\frac{3}{2}\).
\[\frac{\frac{1}{2}+1+\frac{3}{2}}{(\frac{3}{5}+\frac{2}{5})\times \frac{3}{5}}\]
Simplify  \(\frac{1}{2}+1+\frac{3}{2}\)  to  \(\frac{6}{2}\).
\[\frac{\frac{6}{2}}{(\frac{3}{5}+\frac{2}{5})\times \frac{3}{5}}\]
Simplify  \(\frac{6}{2}\)  to  \(3\).
\[\frac{3}{(\frac{3}{5}+\frac{2}{5})\times \frac{3}{5}}\]
Simplify  \(\frac{3}{5}+\frac{2}{5}\)  to  \(1\).
\[\frac{3}{1\times \frac{3}{5}}\]
Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[\frac{3}{\frac{1\times 3}{5}}\]
Simplify  \(1\times 3\)  to  \(3\).
\[\frac{3}{\frac{3}{5}}\]
Invert and multiply.
\[3\times \frac{5}{3}\]
Cancel \(3\).
\[5\]