Without converting the minutes to hundredths, the caluclations can be off because an hour contains 60 minutes and regular calculations done on a calculator are displayed in units of 100.
Your account number: You can find your account number on your checks (see below) or in the top right corner of your statement, directly below the date range. Your routing number: You can find your routing number on your checks (see below) or by identifying the state where you opened your checking account.
To find your routing number, look in the bottom left corner of a personal check. The red arrow above points to the area where the routing number for your bank can be found on a personal check. Your routing number should have exactly nine (9) digits.