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Character (or) Symbol | Numerical value |
I | 1 |
V | 5 |
X | 10 |
L | 50 |
C | 100 |
D | 500 |
M | 1000 |
The following are some Roman numeral symbols for corresponding numbers.
Roman numerals symbols are prearranged and united in certain specific order to symbolize numbers.
Numerals (their values) are added jointly while they are written in groups.
Example:-
II=2 because here the sum of (I+I = 1 + 1 =2).
XX = 20 because here the sum of (X + X = 10+10 = 20).
On the other hand, it is not possible to put more than 3 of the similar numerals together.
Example:-
The Roman numeral symbol equivalent for 3 is III. Similarly for 4 you can’t write like this IIII.
As an alternative way 4 can be written as IV.
V stands for 5 and I stands for 1 here we subtract 5- 1 =4.
Inthese cases if a letter with smaller value is placed in front of largernumerals we need to subtract smaller numeral form the larger numeral..
Let’s see another example which makes you little more clear in this case
10 can be written as X.
9 can be written as IX which says X – I = 10 -1 = 9.
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Problem 1
Find the Roman numeral equivalent for 510.
Solution:-
The algebraic number is 510 we need to find the roman numeral equivalent for this number.
we can simplify these number as 500 + 10.
For 500 the roman numeral equivalent is D.
For 10 the roman numeral equivalent is X.
Now for 510 the roman numeral equivalent is DX.
Problem 2
Find the Roman numeral equivalent for 1110.
Solution:-
The algebraic number is 510 we need to find the roman numeral equivalent for this number.
we can simplify these number as 1000 + 100+ 10.
For 1000 the Roman numeral equivalent is M.
For 100 the Roman numeral equivalent is C.
For 10 the Roman numeral equivalent is X.
Now for 1110 the Roman numeral equivalent is MCX.