How is the inheritance divided between a wife, a single son, and nine daughters?

If the heirs are limited to those mentioned, then the wife receives one-eighth due to the existence of a descendant heir, as Allah states: "But if you have a child, then for them [the wives] is one eighth of what you leave." The remainder is to be divided among the son and daughters by way of ta'sib (residuary inheritance), with the male receiving the share of two females, as Allah states: "Allah instructs you concerning your children: for the male, what is equal to the share of two females." We note that the matter of inheritances is serious and complex and should not rely solely on a fatwa. Rather, it must be submitted to the Sharia courts for investigation and to ensure that there are no other heirs, wills, or debts that take precedence over the rights of the heirs.