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What is the correct procedure when adding together 1000 900 90 12 and 9 using Roman numerals?
Wiki User
∙ 12y ago
The above numbers converted into Roman numerals are M, CM, XC, XII and IX respectively whereas notwithstanding today's enumeration of Roman numerals the Romans themselves would have probably calculated them in the following manner:-
M+CM = CMM (1000+900 = 1900)
CMM+XC = XMM (1900+90 = 1990)
XMM+XII = MMII (1990+12 = 2002)
MII+IX = MMXI (2002+9 = 2011)
Alternatively the Romans could have calculated these numerals on an abacus counting device giving the same result as follows:-
M+DCCCC = MDCCCC (1000+900 = 1900)
MDCCCC+LXXXX = MDCCCCLXXXX (1900+90 = 1990)
MDCCCCLXXXX+XII = MMII (1990+12 = 2002)
MMII+VIIII = MMXI (2002+9 = 2011)
Wiki User
∙ 12y ago
To add Roman numerals, follow these steps:
- Convert each number to its Roman numeral equivalent. 1000 = M, 900 = CM, 90 = XC, 12 = XII, 9 = IX.
- Add the Roman numerals together: M + CM + XC + XII + IX = (1000 + 900 + 90 + 12 + 9) = 2011. So, the sum of 1000, 900, 90, 12, and 9 in Roman numerals is MMXI.
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What are the two methods of adding together 14 18 29 and 39 using only Roman numerals?
A similar question to this has been recently answered in the Roman Numerals category.
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I'd tell you but I don't know. Ha.-_________________-
What is adding probability?
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