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The Romans themselves would have probably notated 45 as VL but the rules governing today's Roman numeral system, which were introduced during the Middle Ages, gives 45 as XLV in Roman numerals.

Q: Why isn't roman numeral for 45 VL?

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45

45 but under today's notation of Roman numerals it is written out as XLV

VL is not a valid roman numeral. Someone may have been trying to use a shortcut to write 45, which is supposed to be XLV, or the sequence in question may not have been intended as a roman numeral at all.

In ancient Rome the numerals of VL would have been perfectly acceptable as being the equivalent of 45. But the real rules governing the original Roman numeral system were changed during the Middle Ages and as a result the equivalent of 45 in Roman numerals today is considered to be XLV.

VL = 45 but in today's notation it is written out as XLV

Related questions

45

45 but under today's notation of Roman numerals it is written out as XLV

VL is not a valid Roman numeral.

VL is not a valid roman numeral. Someone may have been trying to use a shortcut to write 45, which is supposed to be XLV, or the sequence in question may not have been intended as a roman numeral at all.

In ancient Rome the numerals of VL would have been perfectly acceptable as being the equivalent of 45. But the real rules governing the original Roman numeral system were changed during the Middle Ages and as a result the equivalent of 45 in Roman numerals today is considered to be XLV.

VL = 45 but in today's notation it is written out as XLV

VL is the roman numeral representation of 45. V is 5 and L is 50. A smaller number before a bigger number means to subtract, so 50 - 5 = 45.It's like IX, the I (1) is smaller than X (10), so 10 - 1 = 9.

Roman numeral V means 5. Roman numeral lV means 4; and Vl means 6. :)

92 x 6 = 552 XCII x VI = DLII

MXLV or MVL M = 1000 L = 50 X = 10 --> XL = 50 - 10 = 40 V = 5 --> VL = 50 - 5 = 45 Therefore, 1000 + 40 + 5 = 1045, or 1000 + 45 = 1045.

Vl

It isn't. I is 1, V is 5, X is 10, L is 50, C is 100, D is 500, and M is 1000, and Roman numerals are written in descending order, except when subtracting a power of 10 (1, 10, 100, 1000, etc.) from 5 or 10 times that much to get a lesser number. Thus, LV is 50 + 5 = 55. But VL is Vulgar Latin, meaning Latin spoken by the common populace. Or it could stand for Virgin Lips, meaning having never kissed anyone.