Problem
\( \frac{1}{5} \div 2= \)
Solution
Step 1 ：\( \frac{1}{5} \div 2 = \frac{1}{5} \cdot \frac{1}{2} \)
Step 2 ：\( \frac{1}{5} \cdot \frac{1}{2} = \frac{1 \cdot 1}{5 \cdot 2} \)
Step 3 ：\( \frac{1 \cdot 1}{5 \cdot 2} = \frac{1}{10} \)
