Question

Помогите срочно по матиматике

Answer 1

11/15 больше13/18
7/22больше 10/33




5/14+8/21=15/42+16/42=31/42
11/12-3/4=11/12+9/12=20/12=1⅔
9/20-7/25+0.13=0.45-0.28+0.13=0.3




55/88=5/8
36/48=3/4
17/68==4