Answer
Digit Sum = 12
Reduced Digit Sum = 3
Reduced Digit Sum = 3
↓Steps Explained:↓
Calculate the digit sum of 219
Calculate the reduced digit sum of 219
Add up 3 digits of 219:
Digit Sum → 2 + 1 + 9 = 12
Since our digit sum > 9:
repeat this process to get the reduced digit sum:
Our new number to evaluate is 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 = 12Reduced Digit Sum = 3
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