The numbers 450 to 456 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 450 | = | CDL | = | 500 − 100 + 50 |
| 451 | = | CDLI | = | 500 − 100 + 50 + 1 |
| 452 | = | CDLII | = | 500 − 100 + 50 + 1 + 1 |
| 453 | = | CDLIII | = | 500 − 100 + 50 + 1 + 1 + 1 |
| 454 | = | CDLIV | = | 500 − 100 + 50 + 5 − 1 |
| 455 | = | CDLV | = | 500 − 100 + 50 + 5 |
| 456 | = | CDLVI | = | 500 − 100 + 50 + 5 + 1 |