9 in Roman Numerals
9 in Roman numerals is IX. To convert 9 in Roman Numerals, we will write 9 as the difference of numbers 10 and 1, i.e. 9 = (10  1), thereafter replacing the transformed numbers with their respective roman numerals, we get 9 = (X  I) = IX. In this article, we will explain how to correctly transform 9 in Roman numerals.
 9 = 10  1
 Representing in Roman Numerals: 9 = (X  I)
 9 in Roman Numerals = IX
1.  How to Write 9 in Roman Numerals? 
2.  Basic Rules 
3.  Numbers related to 9 
4.  FAQs on 9 in Roman Numerals 
How to Write 9 in Roman Numerals?
Roman numeral for 9 can be obtained by using the method given below:
In this method, we break 9 into the difference of numbers 10 and 1 to apply the "subtractive notation". Thus, we can obtain the Roman numeral for 9 by breaking it into the difference of 10 and 1, writing their respective equivalent roman letters, and combining them, i.e. 9 = 10  1 = (X  I). According to the rules, while writing 9 in roman numerals, the letter "I" will precede "X". Thus, 9 in Roman numerals = IX.
Therefore, the value of 9 in roman numerals is IX.
ā Also Check: Roman Numerals Calculator
Basic Rules to Interpret 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: XL, X < L, so XL = L  X = 50  10 = 40.
 When a letter is repeated multiple times, they get added. For example: MMM = M + M + M = 1000 + 1000 + 1000 = 3000
 The same letter cannot be used more than three times in succession.
Roman Numerals for Numbers Related to 9
Roman numerals may seem different from numbers, but they are similar. For example, 9 in roman numerals is equivalent to IX. The roman numerals for numbers related to 9 are given below:
 I = 1
 II = 2
 III = 3
 IV = 4
 V = 5
 VI = 6
 VII = 7
 VIII = 8
 IX = 9
 X = 10
9 in Roman Numerals Examples

Example 1: What is the remainder when IX is divided by V?
Solution:
V = 5 and IX = 9 in numbers.
On dividing 9 by 5, it leaves a remainder of 4.
Now, 4 = IV
Therefore, when IX is divided by V, the remainder is IV. 
Example 2: Find the Value of (13  21) + 9 in roman numerals.
Solution:
Solving (13  21) + 9 = 8 + 9 = 1. Now, we will write the answer, that is, 1 = I.

Example 3: Find the value of 693  9.
Solution:
Solving the given problem, 693  9 = 684
To determine the value of 693  9 in roman numerals, we will express 684 in the expanded form, i.e. 684 = 600 + 80 + 4 = DC + LXXX + IV = DCLXXXIV. 
Example 4: Find the Difference Between 43 and 9 in Roman Numerals.
Solution:
Solving the given problem, 43  9 = 34
To determine the value of 43  9 in roman numerals, we will express 34 in the expanded form, i.e., 34 = 30 + 4 = XXX + IV = XXXIV.
FAQs on 9 in Roman Numerals
What does 9 in Roman Numerals Mean?
To write 9 in roman numerals, we will first express 9 as the difference of numbers, 10 and 1, i.e., 9 = (10  1) = (X  I) = IX. Hence, 9 in roman numbers is expressed as IX.
What Should be Added to 5 to Get 9? Write the answer in Roman numerals.
9 in roman numerals is IX whereas 5 is V. 9  5 = 4. Therefore, 4 should be added to 5 to get 9. Now, to convert 4 in roman numbers, we will express as, 4 = 5  1 = V  I = IV.
How to Convert the Number 9 in Roman Numerals?
To convert 9 in roman numerals, the conversion involves breaking the number as the difference of 10 and 1 and apply the "subtractive notation", i.e., 4 = 5  1 = V  I = IV.
What is the Value of (42  46) + 9 in Roman Numbers?
Solving (42  46) + 9 = 4 + 9 = 5. To express, (42  46) + 9 in roman numerals, we will write the answer, that is, 5 as V
Why is 9 in Roman Numerals Written as IX?
According to the rules followed while writing roman numerals, we know, when a smaller letter precedes a bigger letter, the letters are subtracted, here in the case of 9, it would be IX = X  I = 9. Therefore, 9 in roman numerals is written as IX.
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