Long Division: 21 ÷ 8
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How to divide 21 by 8 using long division and find the remainder?
Answer
21 ÷ 8 = 2 remainder 5
= 2.625
Remainder 5 is less than the divisor 8. Check: 2 × 8 + 5 = 21.
21 ÷ 8 in a column
| 2 | |||
| 8 | 2 | 1 | |
| − | 1 | 6 | |
| 5 |
In the column: quotient 2, remainder 5.
Step by step: 21 ÷ 8
- Step 121 ÷ 8 → 2: 2 × 8 = 16, 21 − 16 = 5
- Quotient and remainder2 remainder 5
After the point, add a zero to the remainder: 50 ÷ 8 → 6, remainder 2; 20 ÷ 8 → 2, remainder 4; 40 ÷ 8 → 5, remainder 0; remainder 0 — the decimal ends.
21 ÷ 8 = 2.625
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