What is 4 divided by 1/2?

Step by step

1. Write each number as a fraction
   4 = 4/1
2. Keep, change, flip
   Keep the first fraction, change ÷ to ×, and flip the second fraction upside down:
   4/1 ÷ 1/2 = 4/1 × 2/1
3. Multiply the tops, then the bottoms
   (4 × 2)/(1 × 1) = 8/1

Check: 8 × 1/2 = 4 ✓

Picture

Each bar is one whole, split into equal parts.

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