2) 5/9•2/5=10/45=2/9
4) 25/24•15/16=25/8•5/16=125/128
5)6/7:3=6/7•1/3=2/7•1=2/7
6)7/5•(15/16:3/4)=7/5•(15/16•4/3)=7/5•5/4=7/4
2) 5/9•2/5=10/45=2/9
4) 25/24•15/16=25/8•5/16=125/128
5)6/7:3=6/7•1/3=2/7•1=2/7
6)7/5•(15/16:3/4)=7/5•(15/16•4/3)=7/5•5/4=7/4