1) 5/6 = 3/6 + 2/6 = 1/2 + 1/2) 7/12 = 6/12 + 1/12 = 1/2 + 1/13) 9/20 = 10/20 - 1/20 = 1/2 - 1/24) 4/9 = 5/9 - 1/9 = 1/2 - 1/5) 1/2 = 1/2 + 0 = 1/2 + 0
1) 5/6 = 3/6 + 2/6 = 1/2 + 1/
2) 7/12 = 6/12 + 1/12 = 1/2 + 1/1
3) 9/20 = 10/20 - 1/20 = 1/2 - 1/2
4) 4/9 = 5/9 - 1/9 = 1/2 - 1/
5) 1/2 = 1/2 + 0 = 1/2 + 0