| Subtraction | 12 | 13 | 14 | 15 | 16 |
| 13 | 12-13 = -1 | 13-13 = 0 | 14-13 = 1 | 15-13 = 2 | 16-13 = 3 |
| 14 | 12-14 = -2 | 13-14 = -1 | 14-14 = 0 | 15-14 = 1 | 16-14 = 2 |
| 15 | 12-15 = -3 | 13-15 = -2 | 14-15 = -1 | 15-15 = 0 | 16-15 = 1 |
| 16 | 12-16 = -4 | 13-16 = -3 | 14-16 = -2 | 15-16 = -1 | 16-16 = 0 |
| 17 | 12-17 = -5 | 13-17 = -4 | 14-17 = -3 | 15-17 = -2 | 16-17 = -1 |
| Subtraction | 11.1 | 11.2 | 11.3 | 11.4 | 11.5 | 11.6 |
| 12.1 | 11.1-12.1 = -1 | 11.2-12.1 = -0.9 | 11.3-12.1 = -0.8 | 11.4-12.1 = -0.7 | 11.5-12.1 = -0.6 | 11.6-12.1 = -0.5 |
| 12.2 | 11.1-12.2 = -1.1 | 11.2-12.2 = -1 | 11.3-12.2 = -0.9 | 11.4-12.2 = -0.8 | 11.5-12.2 = -0.7 | 11.6-12.2 = -0.6 |
| 12.3 | 11.1-12.3 = -1.2 | 11.2-12.3 = -1.1 | 11.3-12.3 = -1 | 11.4-12.3 = -0.9 | 11.5-12.3 = -0.8 | 11.6-12.3 = -0.7 |
| 12.4 | 11.1-12.4 = -1.3 | 11.2-12.4 = -1.2 | 11.3-12.4 = -1.1 | 11.4-12.4 = -1 | 11.5-12.4 = -0.9 | 11.6-12.4 = -0.8 |
| 12.5 | 11.1-12.5 = -1.4 | 11.2-12.5 = -1.3 | 11.3-12.5 = -1.2 | 11.4-12.5 = -1.1 | 11.5-12.5 = -1 | 11.6-12.5 = -0.9 |
| 12.6 | 11.1-12.6 = -1.5 | 11.2-12.6 = -1.4 | 11.3-12.6 = -1.3 | 11.4-12.6 = -1.2 | 11.5-12.6 = -1.1 | 11.6-12.6 = -1 |