2.247 Найдите разность: д) 4⅙/16 - 2⅓/14

4¹/16 - 2³/14 = (64/16 + 9/16) - (28/14 + 3/14) = 73/16 - 31/14 = (73*7)/(16*7) - (31*8)/(14*8) = 511/112 - 248/112 = 263/112