How to Write 43 in Roman Numerals?

Writing 43 in Roman numerals is straightforward once you understand the basics. Roman numerals use letters from the alphabet to represent numbers, and each letter has a specific value. To write 43, we break it down into two parts: 40 and 3. In Roman numerals, 40 is written as XL (X for 10 and L for 50, where 10 is subtracted from 50), and 3 is written as III (I for 1, repeated three times). When combined, 43 in Roman numerals is XLIII. Learning Roman numerals is an interesting way to explore how ancient cultures counted and used numbers.

How to Write 43 in Roman Numerals?

To write 43 in Roman numerals, we break it down into two parts: 40 and 3. The Roman numeral for 40 is XL, where L (50) is subtracted by X (10). The Roman numeral for 3 is III, where I (1) is added together three times.

It follows the Principle of Addition and Subtraction in Roman Numerals. When we write 43 in Roman form, we place XL for 40 (where L is larger and X comes before it, meaning subtraction) and III for 3. This gives us XLIII for 43.

So, the Roman numeral for 43 is written as XLIII.

Number	Roman Numeral
43	XLIII

How to Convert XLIII to Number

To convert XLIII from Roman numerals to a number, you need to understand the values of the individual symbols.

• X represents 10
• L represents 50
• V represents 5
• I represents 1

In XLIII, the combination follows the principle of subtraction and addition.

• XL represents 40 (since X is before L, it means 50 – 10).
• III represents 3 (I is 1, and it is repeated three times, adding up to 3).

When combined, XLIII equals 40 + 3, which totals 43.

Roman numerals are made up of seven symbols (I, V, X, L, C, D, M), and each has a fixed value. So, XLIII represents 43.

To convert XLIII from Roman numerals to a number, follow these steps: Identify the individual symbols and their values: X represents 10 L represents 50 I represents 1 Break down the Roman numeral: XL represents 40. (Since X is before L, we subtract 10 from 50, which equals 40.) III represents 3. (Since I is repeated three times, each I represents 1, so 1 + 1 + 1 = 3.) Add the values together: XL = 40 III = 3 Final sum: 40 + 3 = 43 So, XLIII in Roman numerals is equivalent to 43 in standard numbers.

Check out the list of Roman numerals from 41 to 50 in the table below:

41 in Roman Number	46 in Roman Number
42 in Roman Number	47 in Roman Number
43 in Roman Number	48 in Roman Number
44 in Roman Number	49 in Roman Number
45 in Roman Number	50 in Roman Number

Exercise on 43 in Roman Numerals

Let us practice some questions on Roman Numerals and 43 in Roman Numerals in this part of the blog.

Addition and Subtraction

Add/subtract the following numbers and answer in Roman Numerals

1. 43 + 34 = ___ 
2. 100 – 44 = ___ 
3. 64 + 43  = ___ 
4. 64 – 43 = ___

Answers:

1. LXXVII
2. LVI
3. CVII
4. XXI

Convert to Roman Numerals

Convert the following numbers into Roman numerals:

1. 143
2. 134
3. 434
4. 344

Answers:

1. 143 = CXLIII
   (C = 100, XL = 40, III = 3)
2. 134 = CXXXIV
   (C = 100, XXX = 30, IV = 4)
3. 434 = CDXXXIV
   (CD = 400, XXX = 30, IV = 4)
4. 344 = CCCXLIV
   (CCC = 300, XL = 40, IV = 4)

Convert to Numbers

Convert the following Roman numerals to numbers:

1. XLV
2. XLVII
3. XLIX
4. XLIII

Answers:

1. XLV = 45
(XL = 40, V = 5)

2. XLVII = 47
(XL = 40, V = 5, II = 2)

3. XLIX = 49
(XL = 40, IX = 9)

4. XLIII = 43
(XL = 40, III = 3)

Match the Following

Match the following numbers to Roman numerals:

Numbers	Roman Numerals
(i) 143	(a) CCCXLIII
(ii) 134	(b) CXXXIV
(iii) 434	(c ) CXLIII
(iv) 343	(d) CDVI

Answers:

(i) 143 = (c) CXLIII

(ii) 134 = (b) CXXXIV

(iii) 434 = (d) CDVI

(iv) 343 = (a) CCCXLIII

Learn about other important Roman Numerals here:

Roman Number for 11	Roman Number for 10
Roman Number for 12	Roman Number for 20
Roman Number for 13	Roman Number for 30
Roman Number for 14	Roman Number for 40
Roman Number for 15	Roman Number for 60
Roman Number for 16	Roman Number for 70
Roman Number for 17	Roman Number for 80
Roman Number for 18	Roman Number for 90
Roman Number for 19	Roman Number for 100

Check out the list of Roman Numerals here:

Roman Numbers 1 to 10

Roman Numbers 1 to 100

Roman numerals 50 to 100

Roman Numbers 1 to 1000

FAQs

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