Step by step
- Write each number as a fraction2 = 2/1
- Keep, change, flipKeep the first fraction, change ÷ to ×, and flip the second fraction upside down:2/1 ÷ 1/5 = 2/1 × 5/1
- Multiply the tops, then the bottoms(2 × 5)/(1 × 1) = 10/1
Check: 10 × 1/5 = 2 ✓