Long Division: 21 ÷ 9
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How to divide 21 by 9 using long division and find the remainder?
Answer
21 ÷ 9 = 2 remainder 3
= 2.3 ≈ 2.33
Remainder 3 is less than the divisor 9. Check: 2 × 9 + 3 = 21.
21 ÷ 9 in a column
| 2 | |||
| 9 | 2 | 1 | |
| − | 1 | 8 | |
| 3 |
In the column: quotient 2, remainder 3.
Step by step: 21 ÷ 9
- Step 121 ÷ 9 → 2: 2 × 9 = 18, 21 − 18 = 3
- Quotient and remainder2 remainder 3
After the point, add a zero to the remainder: 30 ÷ 9 → 3, remainder 3; remainder 3 again — the digits repeat.
21 ÷ 9 = 2.3 ≈ 2.33
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