Long Division: 81 ÷ 2
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How to divide 81 by 2 using long division and find the remainder?
Answer
81 ÷ 2 = 40 remainder 1
= 40.5
Remainder 1 is less than the divisor 2. Check: 40 × 2 + 1 = 81.
81 ÷ 2 in a column
| 4 | 0 | ||
| 2 | 8 | 1 | |
| − | 8 | ||
| 1 |
In the column: quotient 40, remainder 1.
Step by step: 81 ÷ 2
- Step 18 ÷ 2 → 4: 4 × 2 = 8, 8 − 8 = 0; bring down 1 → 1
- Step 21 < 2 → 0
- Quotient and remainder40 remainder 1
After the point, add a zero to the remainder: 10 ÷ 2 → 5, remainder 0; remainder 0 — the decimal ends.
81 ÷ 2 = 40.5
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