Acontractor completed five-ninths of a job before a second contractor completed an additional one-third. what fraction of the job is left undone?

one-ninth
four-ninths
two-thirds
eight-ninths

The answer is, one-ninth.
HOPE THIS HELPS! ^_^

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.