Simple past tense and past participle of subtract.(verb)
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Use "subtracted" in a sentence
"Reducing operational overhead means decreasing the cognitive load required to complete an action, attention that is otherwise subtracted from the thing people really want to focus on."
"All money paid to IMSS is subtracted from the final amount owed when you apply for the finiquito."
"In another words, outsourcing suppresses output, since employee costs turn into expenses subtracted from the numerator of the productivity calculation."