Long Division Calculator › 21 divided by 5
21 Divided by 5
21 ÷ 5 = 4.2
| Exact decimal | 4.2 |
| Whole-number quotient | 4 |
| Remainder | 1 |
| As a fraction | 21/5 |
Check: 4 × 5 + 1 = 21.
Long division, step by step
Working through each digit of 21 from left to right, dividing by 5 and carrying the remainder:
| Bring down | Divide | Digit | Left over |
| 2 | 2 ÷ 5 | 0 | 2 |
| 1 | 21 ÷ 5 | 4 | 1 |
Reading the digit column top to bottom gives the quotient 4 with 1 left over.
A terminating decimal
21 ÷ 5 stops after 1 decimal place: it equals exactly 4.2. The division is clean because 5's only prime factors are 2 and 5.
Divide 21 by other numbers
21 ÷ 2 · 21 ÷ 3 · 21 ÷ 4 · 21 ÷ 6 · 21 ÷ 7 · 21 ÷ 8 · 21 ÷ 9 · 21 ÷ 10 · 21 ÷ 11 · 21 ÷ 12
Nearby divisions by 5
Frequently asked questions
What is 21 divided by 5?
21 ÷ 5 = 4.2. As a whole number the quotient is 4 with a remainder of 1.
Is 21 ÷ 5 a terminating or repeating decimal?
It terminates: 21 ÷ 5 = 4.2 exactly, with 1 decimal place.
Is 21 divisible by 5?
No. The nearest multiples of 5 are 20 (4 × 5) and 25 (5 × 5), so 21 leaves a remainder of 1.