Odpowiedź :
Odpowiedź:
12/13 - 8/13 = 4/13
4 i 13/21 - 2 i 6/21 = 2 i 7/21 = 2 i 1/3
7 - 5/8 = 6 i 8/8 - 5/8 = 6 i 3/8
3 i 1/8 - 1 i 5/8 = 2 i 9/8 - 1 i 5/8 = 1 i 4/8 = 1 i 1/2
Odpowiedź:
12/13 - 8/13 = 4/13
4 i 13/21 - 2 i 6/21 = 2 i 7/21 = 2 i 1/3
7 - 5/8 = 6 i 8/8 - 5/8 = 6 i 3/8
3 i 1/8 - 1 i 5/8 = 2 i 9/8 - 1 i 5/8 = 1 i 4/8 = 1 i 1/2