Frangieh was educated at the College Des Frères Tripoli, first in Tripoli then in Beirut, at the latter from 1958 to 1960. He was furthering his study before his death. Frangieh began his career dealing with his family business. On 25 October 1970, he succeeded his father, Suleiman Frangieh, as a member of the Lebanese Parliament for Zgharta, following his father's election to the Presidency. He was also appointed the Minister of Posts and Telecommunications in his father's government.