there are 7 teams competing in a rely race and each team has 3 runners. the first person on each team runs 4/5 of the track. the second person runs 6/7 of a lap of the track, and the third person runs

there are 7 teams competing in a rely race and each team has 3 runners. the first person on each team runs 4/5 of the track. the second person runs 6/7 of a lap of the track, and the third person runs 5/3 of a lap track. how many laps are run by one team? write your answer as both a reduced mixed fraction and reduced improper fraction