You can translate this in an active form. AT: "you also died to the law when through Christ you died on the cross" (See: [[rc://en/ta/man/translate/figs-activepassive]])
Here "fruit" is a metaphor for actions that please God. AT: "we might be able to do things pleasing to God" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Here "fruit" is a metaphor for a "result of one's actions" or "outcome of one's actions." AT: "which resulted in spiritual-death" or "the outcome of which was our own spiritual death" (See: [[rc://en/ta/man/translate/figs-metaphor]])