Talen 73 till 79 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 73 | = | LXXIII | = | 50 + 10 + 10 + 1 + 1 + 1 |
| 74 | = | LXXIV | = | 50 + 10 + 10 + 5 − 1 |
| 75 | = | LXXV | = | 50 + 10 + 10 + 5 |
| 76 | = | LXXVI | = | 50 + 10 + 10 + 5 + 1 |
| 77 | = | LXXVII | = | 50 + 10 + 10 + 5 + 1 + 1 |
| 78 | = | LXXVIII | = | 50 + 10 + 10 + 5 + 1 + 1 + 1 |
| 79 | = | LXXIX | = | 50 + 10 + 10 + 10 − 1 |