The numbers 674 to 680 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 674 | = | DCLXXIV | = | 500 + 100 + 50 + 10 + 10 + 5 − 1 |
| 675 | = | DCLXXV | = | 500 + 100 + 50 + 10 + 10 + 5 |
| 676 | = | DCLXXVI | = | 500 + 100 + 50 + 10 + 10 + 5 + 1 |
| 677 | = | DCLXXVII | = | 500 + 100 + 50 + 10 + 10 + 5 + 1 + 1 |
| 678 | = | DCLXXVIII | = | 500 + 100 + 50 + 10 + 10 + 5 + 1 + 1 + 1 |
| 679 | = | DCLXXIX | = | 500 + 100 + 50 + 10 + 10 + 10 − 1 |
| 680 | = | DCLXXX | = | 500 + 100 + 50 + 10 + 10 + 10 |