Question

$$2\times(\frac{66}{7}+\frac{56}{55})$$

Answer

8044/385

Solution


Simplify  \(\frac{66}{7}+\frac{56}{55}\)  to  \(\frac{4022}{385}\).
\[2\times \frac{4022}{385}\]
Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[\frac{2\times 4022}{385}\]
Simplify  \(2\times 4022\)  to  \(8044\).
\[\frac{8044}{385}\]

Decimal Form: 20.893506