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.
Find Your JPMorgan Chase Bank Routing on Check: The easiest way to find your JPMorgan Chase Bank routing and account number is to find it on JPMorgan Chase Bank check. Just look at the bottom of your check, you will find routing number as nine-digit long number at most left bottom of your check. Next to the routing number at right side, you will find checking account number. And final four digit numbers represent check serial number.