2/3 OF STUDENTplay piano 1/2 of the students who play the piano also play the violin 1/4 of those students also play flute what fraction of students plays all three instruments

Answer 1

2/3 + 1/2 + 1/4 = 17/12

Mixed fraction:
1 5/12

Answer 2

1/4 * 1/2 * 2/3 = 1/12

Answer 3

how can more than all of the students do anything?

Answer 4

15/12