Step by step
- Write each number as a fraction2 1/2 = (2 × 2 + 1)/2 = 5/210 = 10/1
- Keep, change, flipKeep the first fraction, change ÷ to ×, and flip the second fraction upside down:5/2 ÷ 10/1 = 5/2 × 1/10
- Multiply the tops, then the bottoms(5 × 1)/(2 × 10) = 5/20
- SimplifyDivide the top and bottom by 5: 5/20 = 1/4
Check: 1/4 × 10 = 5/2 ✓