Long Division Calculator › 21 divided by 3
21 Divided by 3
21 ÷ 3 = 7
| Exact decimal | 7 |
| Whole-number quotient | 7 |
| Remainder | 0 |
| As a fraction | 21/3 |
Check: 7 × 3 + 0 = 21.
Long division, step by step
Working through each digit of 21 from left to right, dividing by 3 and carrying the remainder:
| Bring down | Divide | Digit | Left over |
| 2 | 2 ÷ 3 | 0 | 2 |
| 1 | 21 ÷ 3 | 7 | 0 |
Reading the digit column top to bottom gives the quotient 7 exactly.
Divide 21 by other numbers
21 ÷ 2 · 21 ÷ 4 · 21 ÷ 5 · 21 ÷ 6 · 21 ÷ 7 · 21 ÷ 8 · 21 ÷ 9 · 21 ÷ 10 · 21 ÷ 11 · 21 ÷ 12
Nearby divisions by 3
Frequently asked questions
What is 21 divided by 3?
21 ÷ 3 = 7. It divides evenly with no remainder.
Is 21 ÷ 3 a terminating or repeating decimal?
Neither — 21 ÷ 3 is a whole number (7), so there is no fractional part.
Is 21 divisible by 3?
Yes. 3 divides 21 exactly 7 times, because 7 × 3 = 21.