Oblicz ułamki zwykle: 5 całe i 7/9 - 1 1/2 7 5/6 - 3 4/5 2 1/4 - 2 1/6 Proszę o pomoc, daje naj

5 7/9 - 1 1/2 = 5 14/18 - 1 9/18 = 4 5/18 7 5/6 - 3 4/5 = 7 25/30 - 3 24/30 = 4 1/30 2 1/4 - 2 1/6 = 2 3/12 - 2 2/12 = 1/12

5 i 7/9 - 1 i 1/2 = 5 i 14/18 - 1 i 9/18 = 4 i 5/18 7 i 5/6 - 3 i 4/5 = 7 i 25/30 - 3 i 24/30 = 4 i 1/30 2 i 1/4 - 2 i 1/6 = 2 i 3/12 - 2 i 2/12 = 1/12