Step by step
- Write each number as a fraction7 = 7/1
- Keep, change, flipKeep the first fraction, change ÷ to ×, and flip the second fraction upside down:7/1 ÷ 4/9 = 7/1 × 9/4
- Multiply the tops, then the bottoms(7 × 9)/(1 × 4) = 63/4
- Write it as a mixed number63 ÷ 4 = 15 remainder 3, so 63/4 = 15 3/4
Check: 63/4 × 4/9 = 7 ✓