Odpowiedź:
3 1/3 + 4/5 = 3 5/15 + 12/15 = 3 17/15 = 4 2/15
5 7/8 + 2/5 = 5 35/40 + 16/40 = 5 51/40 = 6 11/40
9/14 + 7 2/5 = 45/70 + 7 28/70 = 7 73/70 = 8 3/70
19/22 + 6 5/11 = 19/22 + 6 10/22 = 6 29/22 = 7 7/22
Mam nadzieję, że pomogłem!
