What is 18/21 as a Decimal?
Fraction to Decimal Converter
What is 18/21 as a decimal?
Answer
Fraction 18/21 as a decimal is
0.857142
≈ 0.86 to hundredths
Repeating decimal: 18/21 = 6/7 · denominator 7 has the factor 7, not 2 or 5 · the bar marks the period 857142 — 6 digits repeat forever
18 ÷ 21 by long division
| remainder | ×10 | = digit × 21 + new remainder | digit |
|---|---|---|---|
| 18 | 180 | 8 × 21 + 12 | 8 |
| 12 | 120 | 5 × 21 + 15 | 5 |
| 15 | 150 | 7 × 21 + 3 | 7 |
| 3 | 30 | 1 × 21 + 9 | 1 |
| 9 | 90 | 4 × 21 + 6 | 4 |
| 6 | 60 | 2 × 21 + 18 | 2 |
Remainder 18 is back after the 6th division → the 6 digits 857142 repeat: 0.857142.
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See Also
- Decimal to Fraction Converter - Convert Decimal to Fraction
- Decimal to Percent Converter - Convert Decimals to Percentages
- Percent to Decimal Converter - Convert Percents to Decimal
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Fraction to Decimal Conversion Table
| Fraction | Decimal |
|---|---|
| 18/6 | 3 |
| 18/7 | 2.571428 |
| 18/8 | 2.25 |
| 18/9 | 2 |
| 18/10 | 1.8 |
| 18/11 | 1.63 |
| 18/12 | 1.5 |
| 18/13 | 1.384615 |
| 18/14 | 1.285714 |
| 18/15 | 1.2 |
| 18/16 | 1.125 |
| 18/17 | 1.0588235294117647 |
| 18/18 | 1 |
| 18/19 | 0.947368421052631578 |
| 18/20 | 0.9 |
| 18/21 | 0.857142 |
| 18/22 | 0.81 |
| 18/23 | 0.78260869565217… |
| 18/24 | 0.75 |
| 18/25 | 0.72 |
| 18/26 | 0.692307 |
| 18/27 | 0.6 |
| 18/28 | 0.6428571 |
| 18/29 | 0.62068965517241… |
| 18/30 | 0.6 |
| 18/31 | 0.580645161290322 |
| 18/32 | 0.5625 |
| 18/33 | 0.54 |
| 18/34 | 0.5294117647058823 |
| 18/35 | 0.5142857 |