Obliczenia :
3/4 + 1/3 = 9/12 + 4/12 = 13/12 = 1 i 1/12
4/5 - 1/2 = 8/10 - 5/10 = 3/10
3/8 · 4/5 = 12/40 = 3/10
6/7 : 2/3 = 6/7 · 3/2 = 18/14 = 9/7 = 1 i 2/7
Odpowiedź:
¾+ ⅓= 9/12+4/12= 13/12= 1 1/12
4/5 -½ = 8/10 - 5/10= 3/10
3/8 x 4/5= 3/10
6/7 : ⅔= 6/7 x 3/2= 9/7= 1 2/7
