, СРОЧНО ПЖ СРОЧНООО!!!!!! ¡¿!!!!!!!!!!
27/32 : 9/16 = 9*3/(16*2) * 16/9 = 3/2
21/22 : 7/18 = 3*7/(2*11) * 2*9/7 = 27/11
2/7 : 16/35 = 2/7 * (5*7)/(2*8) = 5/8
44/45 : 11/18 = 4*11/(5*9) * 2*9/11 = 8/5