SAO PAULO, April 20 (Reuters) - Brazilian telecom TIM Participacoes SA announced on Wednesday it has concluded, along with Telefonica Brasil SA and Claro, a subsidiary of Mexico's America Movil, the acquisition of the mobile operations of Oi SA.

The three companies made a total cash payment of about 14.47 billion reais ($3.13 billion), according to a securities filing from Oi. ($1 = 4.6216 reais) (Reporting by Peter Frontini)