Long Division: 81 ÷ 4
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How to divide 81 by 4 using long division and find the remainder?
Answer
81 ÷ 4 = 20 remainder 1
= 20.25
Remainder 1 is less than the divisor 4. Check: 20 × 4 + 1 = 81.
81 ÷ 4 in a column
| 2 | 0 | ||
| 4 | 8 | 1 | |
| − | 8 | ||
| 1 |
In the column: quotient 20, remainder 1.
Step by step: 81 ÷ 4
- Step 18 ÷ 4 → 2: 2 × 4 = 8, 8 − 8 = 0; bring down 1 → 1
- Step 21 < 4 → 0
- Quotient and remainder20 remainder 1
After the point, add a zero to the remainder: 10 ÷ 4 → 2, remainder 2; 20 ÷ 4 → 5, remainder 0; remainder 0 — the decimal ends.
81 ÷ 4 = 20.25
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