Long Division: 21 ÷ 4
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How to divide 21 by 4 using long division and find the remainder?
Answer
21 ÷ 4 = 5 remainder 1
= 5.25
Remainder 1 is less than the divisor 4. Check: 5 × 4 + 1 = 21.
21 ÷ 4 in a column
| 5 | |||
| 4 | 2 | 1 | |
| − | 2 | 0 | |
| 1 |
In the column: quotient 5, remainder 1.
Step by step: 21 ÷ 4
- Step 121 ÷ 4 → 5: 5 × 4 = 20, 21 − 20 = 1
- Quotient and remainder5 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.
21 ÷ 4 = 5.25
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