13
Since they are both EVEN numbers, they will divide by ;2; Hence 2)52 = 26 ( = 13 X 2) & 2)26 = 13 So the Common factors of '52' & '26' are '2' & '13'.
13
26
1.0833
26 divided by 2 = 13
0.5
Half of 26 means 26 divided by 2. 26/2 = 13 The answer.
6.5
0.0385
2.1667
5 1/2 divided by 26 is 0.211538461538462
12.0769