l Digit Sum of 393
Enter Number

Answer
Success!
Digit Sum = 15
Reduced Digit Sum = 6

↓Steps Explained:↓



Calculate the digit sum of 393

Calculate the reduced digit sum of 393

Digit Sum

Add up 3 digits of 393:

Digit Sum → 3 + 9 + 3 = 15

Since our digit sum > 9:
repeat this process to get the reduced digit sum:
Our new number to evaluate is 15

Add up 2 digits of 15:

Digit Sum → 1 + 5 = 6

Since our digit sum ≤ 9:
we have our reduced digit sum

Final Answer

Digit Sum = 15
Reduced Digit Sum = 6

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