6/26 = 3/13
It is already reduced.
14 over 26 reduced to its lowest term is 7/13
No, it is already reduced.
6 over 18 is reduced to 1/3
6 over 8 reduced = 3/4
6/25 cannot be reduced.
13/18
2/3
26/21
Yes by two
6 over 20 can be reduced by dividing both numbers by 2 and get the answer 3 over 10 which can't be reduced any further.
6/18 can be reduced to 1/3