1) 1/3+ 4/5 - 1/12 = 20/60 + 48/60 - 5/60 = 68/60 - 5/60 = 1 1/20
2) 2/7 - 1/6+ 1/9 = 5/42 + 1/9 = 29/126
1) 1/3+ 4/5 - 1/12 = 20/60 + 48/60 - 5/60 = 68/60 - 5/60 = 1 1/20
2) 2/7 - 1/6+ 1/9 = 5/42 + 1/9 = 29/126