Example

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

Question

$$\frac{ \frac{ 1+ }{ 20 } 1 }{ 60 }$$

Answer

(1+)/1200

Solution


Use this rule: \(\frac{a}{b} \times c=\frac{ac}{b}\).
\[\frac{\frac{1+\times 1}{20}}{60}\]
Simplify negative sign.
\[\frac{\frac{1+}{20}}{60}\]
Simplify.
\[\frac{1+}{20\times 60}\]
Simplify  \(20\times 60\)  to  \(1200\).
\[\frac{1+}{1200}\]
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