XVIII Roman Numerals
XVIII Roman Numerals can be written as numbers by combining the transformed roman numerals i.e. XVIII = X + VIII = 10 + 8 = 18. The higher roman numerals precede the lower numerals resulting in the correct translation of XVIII Roman Numerals. In this article, we will explain how to convert XVIII Roman numerals in the correct number translation.
 XVIII = X + VIII
 XVIII = 10 + 8
 XVIII = 18
How to Write XVIII Roman Numerals?
The numerical value of XVIII Roman Numerals can be obtained by using any of the two methods given below:
Method 1: In this method, we break the roman numerals into single letters, write the numerical value of each letter and add/subtract them.
 XVIII = X + V + I + I + I = 10 + 5 + 1 + 1 + 1 = 18
Method 2: In this method, we consider the groups of roman numerals for addition or subtraction such as,
 XVIII = X + VIII = 10 + 8 = 18
Therefore, the numerical value of XVIII roman numerals is 18.
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What are the Basic Rules to Write Roman Numerals?
 When a bigger letter precedes a smaller letter, the letters are added. For example: MX, M > X, so MX = M + X = 1000 + 10 = 1010
 When a smaller letter precedes a bigger letter, the letters are subtracted. For example: IV, I < V, so IV = V  I = 5  1 = 4
 When a letter is repeated 2 or 3 times, they get added. For example: XXX = X + X + X = 10 + 10 + 10 = 30
 The same letter cannot be used more than three times in succession.
Numbers Related to XVIII Roman Numerals
Roman numerals were used in ancient Rome and utilized combinations of letters using the Latin alphabets I, V, X, L, C, D, and M. It may seem different than numbers, but they are similar. For example, XVIII Roman numerals are equivalent to the number 18. The roman numerals related to XVIII are given below:
 X = 10
 XI = 10 + 1 = 11
 XII = 10 + 2 = 12
 XIII = 10 + 3 = 13
 XIV = 10 + 4 = 14
 XV = 10 + 5 = 15
 XVI = 10 + 6 = 16
 XVII = 10 + 7 = 17
 XVIII = 10 + 8 = 18
 XIX = 10 + 9 = 19
XVIII Roman Numerals Examples

Example 1: Find the Sum of DXCIX and XVIII Roman Numerals.
Solution:
DXCIX = 500 + 90 + 9 = 599 and XVIII = 10 + 8 = 18
Now, DXCIX + XVIII = 599 + 18 = 617
Since, DCXVII = 600 + 10 + 7 = 617
Therefore, the sum of DXCIX and XVIII roman numerals is DCXVII 
Example 2: Find the Difference Between XVIII and IX.
Solution:
Roman Numeral XVIII is equal to 18 and IX is 9.
Now, XVIII  IX = 18  9 = 9
Since, 9 = IX
Therefore, XVIII  IX = IX 
Example 4: Find the Product of Roman Numerals XVIII and CXX.
Solution:
XVIII = 10 + 8 = 18 and CXX = 100 + 20 = 120
Now, XVIII × CXX = 18 × 120 = 2160
Since, MMCLX = 2000 + 100 + 60 = 2160
Therefore, XVIII × CXX = MMCLX
FAQs on XVIII Roman Numerals
What does XVIII Roman Numerals Mean?
We will write XVIII Roman numerals in the expanded form to determine its value. XVIII = X + V + I + I + I = 10 + 5 + 1 + 1 + 1 = 18. Hence, the value of Roman Numerals XVIII is 18.
How is Roman Numerals XVIII Written in Numbers?
To convert XVIII Roman Numerals to numbers, the conversion involves breaking the Roman numerals on the basis of place values (ones, tens, hundreds, thousands), like this:
 Tens = 10 = X
 Ones = 8 = VIII
 Number = 18 = XVIII
What Should be Subtracted from XVIII to Get VIII?
First, we will write XVIII and VIII in numbers, i.e. XVIII = 10 + 8 = 18 and VIII = 8. Now, 18  8 = 10. And 10 = X. Therefore, X should be subtracted from XVIII roman numerals to get VIII.
Why is 18 Written in Roman Numerals as XVIII?
We know that in roman numerals, we write 8 as VIII, and 10 as X. Therefore, 18 in roman numerals is written as XVIII = X + VIII = 10 + 8 = XVIII.
What is the Remainder when XVIII is Divided by IV?
XVIII = 18 and IV = 4 in numbers. On dividing 18 by 4, it leaves a remainder of 4. Now, 2 = II Therefore, when XVIII is divided by IV, the remainder is II.
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