Question

помогите решить (6 класс)

Answer 1

1
14/21=2/3
6/9=2/3
88/99=8/9
70/84=5/6
8/12=2/3
39/91=3/7
2
6*25/(35*8)=(3*5)/(7*4)=15/28
(2*9*12)/(6*8*3)=(1*3*2)/(1*4*1)=(1*3*1)/(1*2*1)=3/2=1 1/2