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:4/5 ÷ 2/1 = 4/5 × 1/2
- Multiply the tops, then the bottoms(4 × 1)/(5 × 2) = 4/10
- SimplifyDivide the top and bottom by 2: 4/10 = 2/5
Check: 2/5 × 2 = 4/5 ✓