Question

72又5分之3和72又8分之5怎样通分?

Answer 1

72又5分之3=363/5=363*8/(5*8)=2904/40

72又8分之5=577/8=577*5/(8*5)=2885/40

20分之11和8分之5怎样通分

11/20=11*2/(20*2)=22/40

5/8=5*5/(8*5)=25/40