Answer
Success!
Digit Sum = 5
Reduced Digit Sum = 5
Reduced Digit Sum = 5
↓Steps Explained:↓
Calculate the digit sum of 221
Calculate the reduced digit sum of 221
Add up 3 digits of 221:
Digit Sum → 2 + 2 + 1 = 5
Since our digit sum ≤ 9:
we have our reduced digit sum
Final Answer
Digit Sum = 5Reduced Digit Sum = 5
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