Long Division: 21 ÷ 5
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How to divide 21 by 5 using long division and find the remainder?
Answer
21 ÷ 5 = 4 remainder 1
= 4.2
Remainder 1 is less than the divisor 5. Check: 4 × 5 + 1 = 21.
21 ÷ 5 in a column
| 4 | |||
| 5 | 2 | 1 | |
| − | 2 | 0 | |
| 1 |
In the column: quotient 4, remainder 1.
Step by step: 21 ÷ 5
- Step 121 ÷ 5 → 4: 4 × 5 = 20, 21 − 20 = 1
- Quotient and remainder4 remainder 1
After the point, add a zero to the remainder: 10 ÷ 5 → 2, remainder 0; remainder 0 — the decimal ends.
21 ÷ 5 = 4.2
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