Question

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

Answer

5/3

Solution


Simplify  \(\frac{1}{2}+\frac{1}{3}\)  to  \(\frac{5}{6}\).
\[\frac{2\times \frac{1}{3}\times \frac{1}{2}\times \frac{5}{6}}{\frac{1}{2}-\frac{1}{3}}\]
Cancel \(2\).
\[\frac{\frac{1}{3}\times \frac{5}{6}}{\frac{1}{2}-\frac{1}{3}}\]
Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{\frac{1\times 5}{3\times 6}}{\frac{1}{2}-\frac{1}{3}}\]
Simplify  \(1\times 5\)  to  \(5\).
\[\frac{\frac{5}{3\times 6}}{\frac{1}{2}-\frac{1}{3}}\]
Simplify  \(3\times 6\)  to  \(18\).
\[\frac{\frac{5}{18}}{\frac{1}{2}-\frac{1}{3}}\]
Simplify  \(\frac{1}{2}-\frac{1}{3}\)  to  \(\frac{1}{6}\).
\[\frac{\frac{5}{18}}{\frac{1}{6}}\]
Invert and multiply.
\[\frac{5}{18}\times 6\]
Use this rule: \(\frac{a}{b} \times c=\frac{ac}{b}\).
\[\frac{5\times 6}{18}\]
Simplify  \(5\times 6\)  to  \(30\).
\[\frac{30}{18}\]
Simplify.
\[\frac{5}{3}\]

Decimal Form: 1.666667