1/6 и 3/8=(8+18)/48=26/48
4/9 и 7/15=(60+63)/135=123/135
5/12 и 1/8=(40+12)/96=52/96
8/15 и 11/12=(96+165)/180=261/180
9/10 и 5/12=(108+50)/120=158/120
13/12 и 13/18=(234+156)/216=390/216
11/30 и 8/45=(495+240)/1350=735/1350=147/270
11/20 и 9/16=(176+180)/320=356/320=89/80
8/33 и 9/77=(616+297)/2541=913/2541=83/231
9/98 и 5/56=(504+490)/5488=994/5488=497/2744=71/392
13/750 и 7/450=(5850+5250)/337500=11100/337500=111/3375=37/1125
10/297 и 14/363=(3630+4158)/107811=7788/107811=708/9801=236/3267