The fraction 13/14 cannot be reduced any more.
170 over 140 in lowest terms is 17/14 or 13/14
27/14 in lowest terms (simplified) is: 1 and 13/14.
13/7
26/28 = 13/14
14 over 70 in lowest terms = 1/5
14/25 is already in its lowest terms
14/24 in lowest terms is 7/12. 5/60 in lowest terms is 1/12.
14 over 56 as a fraction in its lowest terms = 1/4
14/18 is equivalent to 7/9 in lowest terms.
14 over 25 reduced to lowest terms = 14/25 (it is already in simplest form).
11 over 14 is 11/14 in its lowest terms (11 and 14 have no common factor other than 1).
You reduce it. To reduce it, you find the greatest factor they share, in this case 2, and divide each number by it, to get 13 over 14, or 13/14.