Solution - Roman numeral to integer

2, 424

2,424

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Step-by-step explanation

1. Expand symbols

Read left to right.
If a smaller symbol comes before a larger one, treat them as one subtractive pair (for example, IX = 9).
Otherwise, each symbol stands alone.

For this input we get:

$M (1000) + M (1000) + C D (400) + X (10) + X (10) + I V (4)$

2. Sum values

Now add the values:
$1000 + 1000 + 400 + 10 + 10 + 4$ = $2, 424$ .

So $M M C D X X I V$ equals $2, 424$ .

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Why learn this

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Roman numerals still appear in clocks, chapter headings, outlines, and events. Converting them quickly helps in everyday reading and interpretation.

Terms and topics

Roman numeral to integer