Step by step
- Write each number as a fraction7 = 7/1
- Multiply the tops, then the bottoms(7 × 3)/(1 × 5) = 21/5
- Write it as a mixed number21 ÷ 5 = 4 remainder 1, so 21/5 = 4 1/5
Check: 21/5 ÷ 3/5 = 7 ✓
Check: 21/5 ÷ 3/5 = 7 ✓
Each bar is one whole, split into equal parts.
7 times 3/5 is 4 1/5, which is 21/5 as an improper fraction. As a decimal it's 4.2.
Turn any mixed or whole numbers into fractions, multiply the numerators and the denominators, then simplify. The steps above show each line.
21/5.