Long Division Calculator › 21 divided by 8
21 Divided by 8
21 ÷ 8 = 2.625
| Exact decimal | 2.625 |
| Whole-number quotient | 2 |
| Remainder | 5 |
| As a fraction | 21/8 |
Check: 2 × 8 + 5 = 21.
Long division, step by step
Working through each digit of 21 from left to right, dividing by 8 and carrying the remainder:
| Bring down | Divide | Digit | Left over |
| 2 | 2 ÷ 8 | 0 | 2 |
| 1 | 21 ÷ 8 | 2 | 5 |
Reading the digit column top to bottom gives the quotient 2 with 5 left over.
A terminating decimal
21 ÷ 8 stops after 3 decimal places: it equals exactly 2.625. The division is clean because 8's only prime factors are 2 and 5.
Divide 21 by other numbers
21 ÷ 2 · 21 ÷ 3 · 21 ÷ 4 · 21 ÷ 5 · 21 ÷ 6 · 21 ÷ 7 · 21 ÷ 9 · 21 ÷ 10 · 21 ÷ 11 · 21 ÷ 12
Nearby divisions by 8
Frequently asked questions
What is 21 divided by 8?
21 ÷ 8 = 2.625. As a whole number the quotient is 2 with a remainder of 5.
Is 21 ÷ 8 a terminating or repeating decimal?
It terminates: 21 ÷ 8 = 2.625 exactly, with 3 decimal places.
Is 21 divisible by 8?
No. The nearest multiples of 8 are 16 (2 × 8) and 24 (3 × 8), so 21 leaves a remainder of 5.