Odpowiedź :
Odpowiedź:
6/7 + 3/6 = 9/7 = 1 2/7
4 - 2/5 = 20/5 - 2/5 = 18/5 = 3 3/5
3/4 - 3/8 = 6/8 - 3/8 = 3/8
3/7 - 3/4 = 12/28 - 21/28 = -9/28
Odpowiedź:
6/7 + 3/6 = 9/7 = 1 2/7
4 - 2/5 = 20/5 - 2/5 = 18/5 = 3 3/5
3/4 - 3/8 = 6/8 - 3/8 = 3/8
3/7 - 3/4 = 12/28 - 21/28 = -9/28