help błagam proszeee zrubcie daje naj naj i daje 100pun

12/24= 2/4
15/18= 5/6
(5 1/4-2 1/3)*6= (3 3/12 -4/12) *6 =(2 15/12-4/12)*6=2 11/12 * 6= 35/12 * 6/1 = 35/1 = 35