Сравните обыкновенные дроби
1/5 и 1/3,1/7 и 1/9, 2/13и2/3, 4/5и4/7, 11/13и11/15, 8/15и8/11, 3/10и3/7, 5/8и5/11, 6/5 и 6/7, 20/13и20/17, 29/53и 29/49, 9/50и9/54