Step by step
- Write each number as a fraction5 = 5/1
- Keep, change, flipKeep the first fraction, change ÷ to ×, and flip the second fraction upside down:5/1 ÷ 2/5 = 5/1 × 5/2
- Multiply the tops, then the bottoms(5 × 5)/(1 × 2) = 25/2
- Write it as a mixed number25 ÷ 2 = 12 remainder 1, so 25/2 = 12 1/2
Check: 25/2 × 2/5 = 5 ✓