Odpowiedź:
a) 3/7
b) 3/5
c) 1 3/8
d) 5 1/4
e) 6 1/7
f) 6 6/13
g) 2 2/5
h) 3 3/7
1- 4/7 = 3/7
1 - 2/5 = 3/5
2 - 5/8 = 1 3/8
6 - 3/4 = 5 1/4
8 - 1 6/7 = 6 1/7
12 - 5 7/13 = 6 6/13
5 - 2 3/5 = 2 2/5
9 - 5 4/7 = 3 3/7
