Identify Numbers and Operation: Identify the numbers and their operation.We have the number 2 and the number 1, and we need to perform subtraction (2−1).
Perform Subtraction: Perform the subtraction.Subtract 1 from 2 to find the difference.Calculation: 2−1=1
Check for Errors: Check for any mathematical errors.We subtracted the smaller number from the larger number, which is the correct approach for subtraction.