Identify Signs: Identify the signs of the two numbers involved in the subtraction. The number 1 is positive, and the number 9 is also positive. When we subtract a larger positive number from a smaller positive number, the result will be negative.
Perform Subtraction: Perform the subtraction. Subtract 9 from 1 to find the result.Calculation: 1−9=−8
Verify Result: Verify the result. Since we are subtracting a larger number from a smaller one, the result should be negative. The calculation from Step 2 shows that the result is −8, which is negative, confirming our expectation.