21 divided by 3 is 7. In symbols: 21 ÷ 3 = 7.
| Form | Answer |
|---|---|
| Quotient and remainder | 7 |
| Decimal | 7 |
| Fraction | 21/3 = 7 |
| Percent | 700% |
Ask how many times 3 fits into 21. 3 × 7 = 21, which is exactly 21, so there is nothing left over.
Multiply back: 7 × 3 = 21 = 21. ✓
| Division | Answer |
|---|---|
| 20 ÷ 3 | 6 R 2 |
| 22 ÷ 3 | 7 R 1 |
| 21 ÷ 2 | 10 R 1 |
| 21 ÷ 4 | 5 R 1 |
| 19 ÷ 3 | 6 R 1 |
| 23 ÷ 3 | 7 R 2 |
| 42 ÷ 3 | 14 |
| 21 ÷ 6 | 3 R 3 |
See also: factors of 21 · 3 times 7.
Other numbers? Browse all division answers, the multiplication table or the fraction calculator.