Step by step
- Write each number as a fraction12 = 12/1
- Multiply the tops, then the bottoms(1 × 12)/(3 × 1) = 12/3
- SimplifyDivide the top and bottom by 3: 12/3 = 4
Check: 4 ÷ 12 = 1/3 ✓
Check: 4 ÷ 12 = 1/3 ✓
Each bar is one whole, split into equal parts.
1/3 times 12 is 4. As a decimal it's 4.
Turn any mixed or whole numbers into fractions, multiply the numerators and the denominators, then simplify. The steps above show each line.