You can create one paycheck for your employee by entering the worked hours that covered in the pay period. And I'd be glad to assist you with this.
Just to clarify, is your employee paid by an hourly basis? If so, you'll need to review the hours worked by your employee. Once verified, you can enter the number of hours they've work covered in the pay period when running the payroll.
However, if your employee paid by salary, you can adjust the salary to reduce the total hours worked. Let me guide you on how to do that: