1 in Roman Numerals
1 in Roman numerals is I. To represent number 1 in roman numerals we use the letter I, hence 1 = I. In this article, we will explain how to correctly transform 1 in Roman numerals.
1 in Roman Numerals = I
1.  How to Write 1 in Roman Numerals? 
2.  Basic Rules 
3.  Numbers related to 1 
4.  FAQs on 1 in Roman Numerals 
How to Write 1 in Roman Numerals?
For writing 1 in roman numerals, there is no such expandable form method where we can perform addition/subtraction. For 1 we directly denote it with I i.e. 1 = I.
Therefore, the value of 1 in roman numerals is I.
☛ 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: DC, D > C, so DC = D + C = 500 + 100 = 600.
 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: MM = M + M = 1000 + 1000 = 2000
 The same letter cannot be used more than three times in succession.
Roman Numerals for Numbers Related to 1
Roman numerals may seem different from numbers, but they are similar. For example, 1 in roman numerals is equivalent to I. The roman numerals for numbers related to 1 are given below:
 I = 1
 II = 1 + 1 = 2
 III = 1 + 1 + 1 = 3
 IV = 5 1 = 4
 V = 5
 VI = 5 + 1 = 6
 VII = 5 + 1 + 1= 7
 VIII = 5 + 1 + 1 + 1 = 8
 IX = 10  1 = 9
 X = 10
1 in Roman Numerals Examples

Example 1: What is the result when I is added to XVII?
Solution:
XVII = 17 and I = 1 in numbers.
On adding 17 and 1, it gives 18.
Now, 18 in roman numeral is = XVIII
Therefore, the result is XVIII. 
Example 2: Find the value of 31  1. Write the result in form of roman numerals.
Solution:
Solving the given problem, 31  1 = 30
To determine the value of 31  1 in roman numerals, we will express 31 first, in the expanded form, i.e. 31 = 30 + 1 = X + X + X + I = XXXI
31  1 = XXXI  I = XXX = 30 
Example 3: Find the Difference Between 63 and 1 in Roman Numerals.
Solution:
Solving the given problem, 63  1 = 62
To determine the value of 63  1 = 62 in roman numerals, we will express 62 in the expanded form, i.e., 62 = 60 + 2 = L + X + II = LXII 
Example 4: Find the Value of (24  20) + 1 in roman numerals.
Solution:
Solving (24  20) + 1 = 4 + 1 = 5. Now, we will write the answer, that is, 5 = V.
FAQs on 1 in Roman Numerals
What does 1 in Roman Numerals Mean?
To write 1 in roman numerals, we will express it as 1 = I.
Why is 1 in Roman Numerals Written as I?
We know that in roman numerals, we write 1 as I. Therefore, 1 in roman numerals is written as 1 = I.
What is the Value of (90  89) + 1 in Roman Numbers?
Solving (90  89) + 1. To express, (90  89) + 1 in roman numerals, we will write the answer, that is, 2 in roman numeral as 2 = 1 + 1 = II
What Should be Subtracted from 4 to Get 1? Write the answer in Roman numerals.
1 in roman numerals is I whereas 4 is IV. 4  1 = 3. Therefore, 3 should be subtracted from 4 to get 1. Now, to convert 3 in roman numbers, we will express it as, three ones, 3 = 1 + 1 + 1= III.
How to Convert the Number 2+1 in Roman Numerals?
To convert 2+1 in roman numerals, the conversion involves addition. Here 2 + 1 is 3.
 3 = 1 + 1 + 1 = III
 Roman Number = III
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