Odpowiedź:
3 5/9-1/6= 3 10/18- 3/18= 3 7/18
5/6+1 1/4= 10/12+1 3/12= 1 13/12=2 1/12
2 1/9-1 5/6= 2 2/18- 1 15/18= 1 20/18-1 15/18=5/18
2 1/6- 2/7= 2 7/42 - 12/42=1 49/42-12/42=1 37/42
8 31/36 +3 9/24= 8 62/72 +3 27/72= 11 89/72 = 12 17/72
7 11/18-3 22/27= 7 33/54-3 44/54= 6 87/54 - 3 44/54= 3 43/54
6 5/12-2 13/20= 6 25/60 - 2 39/60= 5 85/60-2 39/60=3 46/60=
3 23/30
Szczegółowe wyjaśnienie: