Long Division Calculator › 21 divided by 11
21 Divided by 11
21 ÷ 11 = 1.909091
| Exact decimal | 1.90… |
| Whole-number quotient | 1 |
| Remainder | 10 |
| As a fraction | 21/11 |
Check: 1 × 11 + 10 = 21.
Long division, step by step
Working through each digit of 21 from left to right, dividing by 11 and carrying the remainder:
| Bring down | Divide | Digit | Left over |
| 2 | 2 ÷ 11 | 0 | 2 |
| 1 | 21 ÷ 11 | 1 | 10 |
Reading the digit column top to bottom gives the quotient 1 with 10 left over.
A repeating decimal
21 ÷ 11 is a repeating decimal, 1.90, where the block 90 repeats forever. The repetend is 2 digits long, so 21/11 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 ÷ 9 · 21 ÷ 10 · 21 ÷ 12
Nearby divisions by 11
Frequently asked questions
What is 21 divided by 11?
21 ÷ 11 = 1.909091. As a whole number the quotient is 1 with a remainder of 10.
Is 21 ÷ 11 a terminating or repeating decimal?
It repeats: 21 ÷ 11 = 1.9090… where "90" repeats forever (a period of 2 digits).
Is 21 divisible by 11?
No. The nearest multiples of 11 are 11 (1 × 11) and 22 (2 × 11), so 21 leaves a remainder of 10.