How to add roman numerals?
Roman numerals are a unique number system that has its origins in ancient Rome.
Answer: To add Roman numerals, we can follow any of these two methods:

Convert them to the decimal system and add, then finally convert them back to Roman Numerals

Directly add them by separating the symbols.
Roman numerals consist of Latin alphabets that are used as symbols to denote numbers.
Explanation:
To add Roman numerals directly we need to follow these 3 steps:
 Rewrite the given Roman numerals in additive notation
 Arrange the symbols in a descending order .i,e., highest to lowest.
 Combine the symbols according to the rules of the Roman numeral system.
For example,
Add CLXXIV and CXL
Step 1: CLXXIV = C + L + X + X + IV = C + L + X + X + IIII = CLXXIIII
CXL = C + XL = C + XXXX = CXXXX
Step 2: Combining both and arranging the symbols in decreasing order.
CLXXIIII + CXXXX = CCLXXXXXXIIII
Step 3: Combine the symbols where ever possible.
LXXXXXX can be rewritten as CX
IIII can be rewritten as IV
Therefore, CLXXIV + CXL = CCCXIV
Thus, we can add Roman numerals by following the below mentioned 3step process.
 Rewrite the given Roman numerals in additive notation
 Arrange the symbols in a descending order .i,e., highest to lowest.
 Combine the symbols according to the rules of the Roman numeral system.
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