The destiny number is calculated from a person's name. I'm uncertain what the driver number is. Probably it is not part of traditional Pythagorean numerology.

Instead of detailed, step-by-step instructions, which could result in a tome, let me provide a few links.

To check compatibility of life path numbers, get the life path numbers then see how compatible they are or are not by looking up the numbers at the Compatibility of Number Energy table. Life path numbers can be obtained with the free numerology reading offered at this website. The life path number is included with its interpretation.

For compatibility using both birth date and name aspects, here are three free online compatibility calculators.

• Romance Compatibility Calculator
• Compatible Marriage Calculator
• Numerology General Compatibility Calculator

The general compatibility calculator can be used when a compatibility reading other than romance or marriage is desired.

The Compatibility of Relationships page provides additional information about how to determine compatibilities that I think will be useful for you.