Answer
Digit Sum = 14
Reduced Digit Sum = 5
Reduced Digit Sum = 5
↓Steps Explained:↓
Calculate the digit sum of 428
Calculate the reduced digit sum of 428
Add up 3 digits of 428:
Digit Sum → 4 + 2 + 8 = 14
Since our digit sum > 9:
repeat this process to get the reduced digit sum:
Our new number to evaluate is 14
Add up 2 digits of 14:
Digit Sum → 1 + 4 = 5
Since our digit sum ≤ 9:
we have our reduced digit sum
Final Answer
Digit Sum = 14Reduced Digit Sum = 5
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