Можете помочь номер 3
3/2=72/48 1/3=16/48 3/4=36/48 5/6=40/48 9/8=54/48 7/12=28/48 25/24=50/48
72/48; 16/48; 36/48; 40/48; 54/48; 28/48; 50/48