1
a 7/9 - 4/9 = 3/9 = 1/3
b 12/17 - 1/17 = 11/17
c 11/18 - 5/18 = 6/18 = 1/3
d 3 3/4 - 3/4 = 3
e 2 14/15 - 7/15 = 2 7/15
f 4 5/8 - 3/8 = 4 2/8 = 4 1/4
g 8 3/7 - 2 2/7 = 6 1/7
h 9 5/8 - 5 3/8 = 4 2/8 = 4 1/4
i 7 5/9 - 2 2/9 = 5 3/9 = 5 1/3
2
a 2/7
b 1/11
c 3 3/7
d 1 3/5
e 2/3
f 0
3
a 2 5/7, 6/9, 3 2/9, 1 7/9
b 2 3/11, 3 10/11, 1 2/11, 4 8/11
4
a 7 9/11 - 3 3/11 = 4 6/11
b 15 7/13 - 8 4/13 = 7 3/13
