18 divided by 4 is 4 with a remainder of 2, or 4.5 as a decimal. In symbols: 18 ÷ 4 = 4.5.
| Form | Answer |
|---|---|
| Quotient and remainder | 4 remainder 2 |
| Decimal | 4.5 |
| Fraction | 18/4 = 9/2 |
| Mixed number | 4 1/2 |
| Percent | 450% |
Ask how many times 4 fits into 18. 4 × 4 = 16, and 4 × 5 = 20 is too big, so 4 goes into 18 exactly 4 times with 18 − 16 = 2 left over.
The remainder 2 is 2/4 of another 4, and 2 ÷ 4 = 0.5. So 18 ÷ 4 = 4 + 0.5 = 4.5.
Multiply back: 4 × 4 + 2 = 16 + 2 = 18. ✓
| Division | Answer |
|---|---|
| 17 ÷ 4 | 4 R 1 |
| 19 ÷ 4 | 4 R 3 |
| 18 ÷ 3 | 6 |
| 18 ÷ 5 | 3 R 3 |
| 16 ÷ 4 | 4 |
| 20 ÷ 4 | 5 |
| 36 ÷ 4 | 9 |
| 18 ÷ 8 | 2 R 2 |
See also: factors of 18.
Other numbers? Browse all division answers, the multiplication table or the fraction calculator.