7/8:2=7/8:2/1=7/8x1/2=7/16
3/4:6=3/4:6/1=3/4x1/6=3/24=simplif.cu 3=1/8
2intreg1/4:1intreg1/8=9/4:9/8=9/4x8/9=8/4=2
15intreg7/24:3intreg7/240=367/24:727/240=367/24x240/727=3670/727
125/42:5/7=125/42x7/5=5/6
6/21:3/7=6/21x7/3=2/3
1intreg1/4:22/6=5/4:22/6=5/4x6/22=30/88=15/44
