People's Education Edition Mathematics Book, Grade Five, Volume Two, New Edition, Questions and Answers, Page 66, Seven or Eight Questions.
3/ 12, 5/20, 4/ 16 can be represented by a single point, all of which are equal to 1/4.
7/ 14 and 3/6 can be represented by a single point, both of which are equal to 1/2=2/4.
48= 16*3 64= 16*4 exercise books and pencils can be distributed to 16 students at most, 16+ 16=32 students.