The numbers 77 to 83 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 77 | = | LXXVII | = | 50 + 10 + 10 + 5 + 1 + 1 |
| 78 | = | LXXVIII | = | 50 + 10 + 10 + 5 + 1 + 1 + 1 |
| 79 | = | LXXIX | = | 50 + 10 + 10 + 10 − 1 |
| 80 | = | LXXX | = | 50 + 10 + 10 + 10 |
| 81 | = | LXXXI | = | 50 + 10 + 10 + 10 + 1 |
| 82 | = | LXXXII | = | 50 + 10 + 10 + 10 + 1 + 1 |
| 83 | = | LXXXIII | = | 50 + 10 + 10 + 10 + 1 + 1 + 1 |