分数分数と小数小数
| 1/2 | = | 0.5 |
| 1/4 | = | 0.25 |
| 3/4 | = | 0.75 |
| 1/5 | = | 0.2 |
| 2/5 | = | 0.4 |
| 3/5 | = | 0.6 |
| 4/5 | = | 0.8 |
| 1/8 | = | 0.125 |
| 3/8 | = | 0.375 |
| 5/8 | = | 0.625 |
| 7/8 | = | 0.875 |
| 1/10 | = | 0.1 |
| 1/20 | = | 0.05 |
| 1/25 | = | 0.04 |
| 1/2 | = | 0.5 |
| 1/4 | = | 0.25 |
| 3/4 | = | 0.75 |
| 1/5 | = | 0.2 |
| 2/5 | = | 0.4 |
| 3/5 | = | 0.6 |
| 4/5 | = | 0.8 |
| 1/8 | = | 0.125 |
| 3/8 | = | 0.375 |
| 5/8 | = | 0.625 |
| 7/8 | = | 0.875 |
| 1/10 | = | 0.1 |
| 1/20 | = | 0.05 |
| 1/25 | = | 0.04 |