13/50 + 12/50 + 2/50 = 27/50
56/100 + 15/100 - 9/100 = 62/100
9/25 + 6/25 + 3/25 = 18/25
(20/45 + 18/45) - 29/45 = 9/45
13/50 + 12/50 + 2/50 = 27/50
56/100 + 15/100 - 9/100 = 62/100
9/25 + 6/25 + 3/25 = 18/25
(20/45 + 18/45) - 29/45 = 9/45