1/3=30
30*3=90
1/2=18
18*2=36
1/7=12
12*7=84
1/8=15
15*8=120
1/4=18
18*4=72
11/30=88/240 7/24=70/240
9/34=27/102 8/51=16/102
9/14=54/84 10/21=40/84 15/28=45/84
360:1=360; 360*1=360;
360:3=120; 360*3=1080;
360:4=90; 360*4=1440;
360:6=60; 360*6=2160;
360:10=36; 360*10=3600.