Long Division Calculator › 21 divided by 6
21 Divided by 6
21 ÷ 6 = 3.5
| Exact decimal | 3.5 |
| Whole-number quotient | 3 |
| Remainder | 3 |
| As a fraction | 21/6 |
Check: 3 × 6 + 3 = 21.
Long division, step by step
Working through each digit of 21 from left to right, dividing by 6 and carrying the remainder:
| Bring down | Divide | Digit | Left over |
| 2 | 2 ÷ 6 | 0 | 2 |
| 1 | 21 ÷ 6 | 3 | 3 |
Reading the digit column top to bottom gives the quotient 3 with 3 left over.
A terminating decimal
21 ÷ 6 stops after 1 decimal place: it equals exactly 3.5. The division is clean because 6's only prime factors are 2 and 5.
Divide 21 by other numbers
21 ÷ 2 · 21 ÷ 3 · 21 ÷ 4 · 21 ÷ 5 · 21 ÷ 7 · 21 ÷ 8 · 21 ÷ 9 · 21 ÷ 10 · 21 ÷ 11 · 21 ÷ 12
Nearby divisions by 6
Frequently asked questions
What is 21 divided by 6?
21 ÷ 6 = 3.5. As a whole number the quotient is 3 with a remainder of 3.
Is 21 ÷ 6 a terminating or repeating decimal?
It terminates: 21 ÷ 6 = 3.5 exactly, with 1 decimal place.
Is 21 divisible by 6?
No. The nearest multiples of 6 are 18 (3 × 6) and 24 (4 × 6), so 21 leaves a remainder of 3.