Roman numerals IX

The Roman numeral IX corresponds to the Arabic number 9.

IX = 9

How to read and how to write IX

Symbols are written and read from left to right, from highest to lowest.

How to read IX, one group of symbols at a time:

• 9 = IX (10 − 1)

When a smaller symbol comes before a larger one, it is subtracted.

See how to write 9 in Roman numerals.

If the numeral IX appears in a text or sentence, it is read as its Arabic equivalent, in this case 9.

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