Using Roman numerals, find the value of XXX + XL.
LCX
LLX
LXX
XX
In Roman numerals X = 10, L = 50. So, XXX = 10 + 10 + 10 = 30 XL = 50 - 10 = 40 XXX + XL = 30 + 40 = 70 70 = LXX (In Roman numerals L= 50) Therefore, XXX + XL = LXX
To quickly revise addition of Roman Numerals, your teacher asked the class to add XX and XXX. She gave you 4 options. Which circle would you choose?