No
4/7 cant be simplified any further. 8/14 can be simplified to 4/7. (This is done by dividing both the numerator and denominator by 2)
No. It can be further simplified to 4/7
4/7
1/4
7/4
28/7 = 4
3/7 (3 over 7) cannot be simplified nor can 4/7 (4 over 7)
2 over 7
1/14
No because: 60/105 = 4/7 simplified
4/7 is already in its lowest terms