Calculate the digit sum of 21
Calculate the reduced digit sum of 21
Add up 2 digits of 21:
Digit Sum → 2 + 1 = 3
Since our digit sum ≤ 9:
we have our reduced digit sum
Final Answer
Digit Sum = 3
Reduced Digit Sum = 3
Reduced Digit Sum = 3
Calculate the digit sum of 21
Calculate the reduced digit sum of 21
Digit Sum → 2 + 1 = 3
Since our digit sum ≤ 9:
we have our reduced digit sum
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