Answer
Success!
Digit Sum = 7
Reduced Digit Sum = 7
↓Steps Explained:↓

Calculate the digit sum of 412
Calculate the reduced digit sum of 412

Add up 3 digits of 412:
Digit Sum → 4 + 1 + 2 = 7
Since our digit sum ≤ 9:
we have our reduced digit sum
Final Answer
Digit Sum = 7
Reduced Digit Sum = 7
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1089 Number Trick h