1. Convert ounces to pounds:
* There are 16 ounces in a pound.
* 9 ounces is equal to 9/16 pounds.
2. Add the pounds together:
* 8 pounds + 9/16 pounds = 133/16 pounds
3. Convert pounds to kilograms:
* 1 pound is approximately equal to 0.453592 kilograms.
* (133/16 pounds) * (0.453592 kg/pound) = 3.81 kilograms (approximately)
Therefore, 8 pounds and 9 ounces is approximately equal to 3.81 kilograms.