Understand the problem: Understand the problem.We need to find a decimal number that is 0.01 less than 1.68. Subtracting 0.01 from a number decreases it by one hundredth.
Perform the subtraction: Perform the subtraction.To find the number that is 0.01 less than 1.68, we subtract 0.01 from 1.68.Calculation: 1.68−0.01=1.67
Verify the result: Verify the result.After subtracting 0.01 from 1.68, we get 1.67. We can check this by adding 0.01 back to 1.67 to see if we get the original number, 1.68.Verification: 1.67+0.01=1.68Since the original number is obtained, the subtraction is correct.