Zad. 5
a) 1 - 1/2 = 2/2 - 1/2 = 1/2
7 - 1/2 = 6 2/2 - 1/2 = 6 1/2
b) 1 - 3/4 = 4/4 - 3/4 = 1/4
6 - 3/4 = 5 4/4 - 3/4 = 5 1/4
c) 1 - 1/5 = 5/5 - 1/5 = 4/5
3 - 1/5 = 2 5/5 - 1/5 = 2 4/5
