Example-2 • Add 2025 , 1331 and 3203 Th H T O Ones: 5 + 1 + 3 = 9 2 0 2 5 Tens: 2 + 3 + 0 = 5 + 1 3 3 1 Hundreds: 0 + 3 + 2 = 5 + 3 2 0 3 Thousands: 2 + 1 + 3 = 6 6 5 5 9 Thus, 2025 + 1331 + 3203 = 6559