1. Calculate the total household income: add the incomes of two people to get the total household income.
2. Calculate the number of family members: According to regulations, husband and wife and children are counted as one family member, and other relatives are counted as half family members. If two people have no children and only two people are themselves, it is considered a family member.
3. Calculate the monthly per capita income of the family: divide the total household income by the number of family members to get the monthly per capita income of the family.