Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{ 4 }{ 13+ } \frac{ 5 }{ 14 }$$

Answer

20/(13+*14)

Solution


Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{4\times 5}{13+\times 14}\]
Simplify  \(4\times 5\)  to  \(20\).
\[\frac{20}{13+\times 14}\]
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