Step by step
- Write each number as a fraction2 1/4 = (2 × 4 + 1)/4 = 9/42 = 2/1
- Multiply the tops, then the bottoms(9 × 2)/(4 × 1) = 18/4
- SimplifyDivide the top and bottom by 2: 18/4 = 9/2
- Write it as a mixed number9 ÷ 2 = 4 remainder 1, so 9/2 = 4 1/2
Check: 9/2 ÷ 2 = 9/4 ✓