11/15
(1/5) + (2/6) = (8/15)
11/30
23/30
1/6 plus 1/5 plus 1/4 plus 1/3 plus 1/2 = 1 9/20 or 1.45
One fifth plus one fifth is two fifths (2/5).
4/6 or 2/3
6/30 + 10/30 = 16/30 or 8/15
one third plus one quarter plus one fifth plus one sixth plus six = 6 57/60 1/3 + 1/4 + 1/5 + 1/6 +6: = (20 + 15 + 12 + 10)/60 + 6 = 57/60 + 6 = 6 57/60
it's 2/3 (two thirds)
1/2 plus 1/6 = 2/3
6 and 2/6 or 6 and 1/3
too hard