Calculate the digit sum of 121
Calculate the reduced digit sum of 121
Add up 3 digits of 121:
Digit Sum → 1 + 2 + 1 = 4
Since our digit sum ≤ 9:
we have our reduced digit sum
Final Answer
Digit Sum = 4
Reduced Digit Sum = 4
Reduced Digit Sum = 4
Calculate the digit sum of 121
Calculate the reduced digit sum of 121
Digit Sum → 1 + 2 + 1 = 4
Since our digit sum ≤ 9:
we have our reduced digit sum
An Automated Online Math Tutor serving 8.1 million parents and students in 235 countries and territories.
