CXLV Roman Numerals - Explained with Methods & Conversion

Last Updated on Jun 15, 2024
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The Roman numeral CXLV corresponds to the Arabic numeral 145. Roman numerals are a number system that originated from ancient Rome, and are written using seven letters of the alphabet: I, V, X, L, C, D, and M. In this article, we will explain how to convert CXLV into an Arabic numeral.

Number Roman Numeral
145 CXLV

How to Convert CXLV into an Arabic Numeral?

Here are two approaches to convert CXLV into an Arabic numeral:

Method 1:

  • First, separate the Roman numerals into individual characters
  • CXLV = C + (L – X) + V
  • Assign each letter its corresponding numerical value and perform the addition/subtraction
  • CXLV = 100 + (50 – 10) + 5 = 145

Method 2:

In this approach, we group the Roman numerals together for adding or subtracting

  • CXLV = C + XL + V = 100 + 40 + 5 = 145
  • Hence, the Arabic numeral for CXLV is 145

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Frequently Asked Questions

The numerical value of CXLV Roman Numerals is 145.

100 + 45 = 145. The number 145 in Roman Numerals is denoted as CXLV. Thus the value of 100 + 45 in Roman Numerals is CXLV.

(100 – 50) + 145 = 195. The number 195 in Roman Numerals is written as CXCV. Therefore the value of (100 – 50) + 145 in Roman Numerals is CXCV.

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