Final answer:
Comparing your bank statement and check register helps reconcile accounts, identify discrepancies, and manage finances effectively.
Step-by-step explanation:
Comparing your bank statement and check register side by side allows you to reconcile your accounts and ensure that your records accurately reflect your transactions. It helps you identify any discrepancies, such as missing or duplicate transactions, and enables you to spot errors or fraudulent activity. By comparing and balancing your bank statement and check register, you can effectively manage your finances and avoid potential overdrafts and fees.