1

1

6

V1

20

XX

2

11

7

V11

50

L

3

111

8

V111

100

C

4

1V

9

1X

500

D

5

V

10

X

1000

M

40 = XL

74 = LXX1V

139 = CXXX1X

60 = LX

90 = XC

200 = CC