Long Division Calculator › 21 divided by 9
21 Divided by 9
21 ÷ 9 = 2.333333
| Exact decimal | 2.3… |
| Whole-number quotient | 2 |
| Remainder | 3 |
| As a fraction | 21/9 |
Check: 2 × 9 + 3 = 21.
Long division, step by step
Working through each digit of 21 from left to right, dividing by 9 and carrying the remainder:
| Bring down | Divide | Digit | Left over |
| 2 | 2 ÷ 9 | 0 | 2 |
| 1 | 21 ÷ 9 | 2 | 3 |
Reading the digit column top to bottom gives the quotient 2 with 3 left over.
A repeating decimal
21 ÷ 9 is a repeating decimal, 2.3, where the block 3 repeats forever. The repetend is 1 digit long, so 21/9 cannot be written as an exact (terminating) decimal.
Divide 21 by other numbers
21 ÷ 2 · 21 ÷ 3 · 21 ÷ 4 · 21 ÷ 5 · 21 ÷ 6 · 21 ÷ 7 · 21 ÷ 8 · 21 ÷ 10 · 21 ÷ 11 · 21 ÷ 12
Nearby divisions by 9
Frequently asked questions
What is 21 divided by 9?
21 ÷ 9 = 2.333333. As a whole number the quotient is 2 with a remainder of 3.
Is 21 ÷ 9 a terminating or repeating decimal?
It repeats: 21 ÷ 9 = 2.33… where "3" repeats forever (a period of 1 digit).
Is 21 divisible by 9?
No. The nearest multiples of 9 are 18 (2 × 9) and 27 (3 × 9), so 21 leaves a remainder of 3.