Solve:
LXII + CXI =
Step 1: Write the Roman numerals as Hindu Arabic Numerals.
LXII = 50 + 10 + 2 = 62
CXI = 100 + 10 + 1 = 111
Step 2: Add the numbers.
LXII + CXI = 62 + 111 = 173
Step 3: Write the sum in Roman numerals.
173 = 100 + 70 + 3
= C + LXX + III
= CLXXIII
Hence, LXII + CXI = CLXXIII