How calculate life path number and birthday number ?

Hi, how calculate life path number and birthday number... Thanks

To find your Life Path Number, simply reduce the digits of your full birth date until you reach a singledigit numberâ€”excluding 11 and 22, which are considered Master Numbers (we'll get back to this). This number is your Life Path Number

Good question.
How much do you know about numerology?
If you are interested in calculating life path numbers there are certain steps you need to follow using formula or you can use a life path number calculator. If you are a beginner you read all the details and the process to calculate at the site mentioned above.