72/8、48/4 2又14/12、42/18 80/48、30/24
=72/8+96/8 =114/36+84/36 =80/48+60/48
=168/8=21 =198/36=47/9 =140/48=35/12
如果是整体同分那就是
72/8、48/4、2又14/12、42/18、80/48、30/24
=486/144+1728/144+456/144+336/144+240/144+180/144
=3426/144 =571/24
72/8、48/4 2又14/12、42/18 80/48、30/24
=72/8+96/8 =114/36+84/36 =80/48+60/48
=168/8=21 =198/36=47/9 =140/48=35/12
如果是整体同分那就是
72/8、48/4、2又14/12、42/18、80/48、30/24
=486/144+1728/144+456/144+336/144+240/144+180/144
=3426/144 =571/24