Answer
Digit Sum = 3
Reduced Digit Sum = 3
↓Steps Explained:↓

Calculate the digit sum of 12
Calculate the reduced digit sum of 12

Add up 2 digits of 12:
Digit Sum → 1 + 2 = 3
Since our digit sum ≤ 9:
we have our reduced digit sum
Final Answer
Digit Sum = 3
Reduced Digit Sum = 3
Related Calculators:
Factorization |
Number Information |
1089 Number Trick