Step by step
- Keep, change, flipKeep the first fraction, change ÷ to ×, and flip the second fraction upside down:1/2 ÷ 1/4 = 1/2 × 4/1
- Multiply the tops, then the bottoms(1 × 4)/(2 × 1) = 4/2
- SimplifyDivide the top and bottom by 2: 4/2 = 2
Check: 2 × 1/4 = 1/2 ✓