Question

$$\frac{ 1 }{ 30 } 4- \frac{ 1 }{ 20 } 3$$

Answer

-1/60

Solution


Simplify  \(\frac{1}{30}\times 4\)  to  \(\frac{4}{30}\).
\[\frac{4}{30}-\frac{1}{20}\times 3\]
Simplify  \(\frac{4}{30}\)  to  \(\frac{2}{15}\).
\[\frac{2}{15}-\frac{1}{20}\times 3\]
Simplify  \(\frac{1}{20}\times 3\)  to  \(\frac{3}{20}\).
\[\frac{2}{15}-\frac{3}{20}\]
Simplify.
\[-\frac{1}{60}\]

Decimal Form: -0.016667