Answer:

6/49

Solution:

Since 14/7 and 8/7 have the same denominator, subtract them by subtracting their numerators.

14-8/7/21/3

Subtract 8 from 14 to get 6.

6/7/21/3

Divide 21 by 3 to get 7.

6/7/7

Express 6/7/7 as a single fraction.

6

7x7

Multiply 7 and 7 to get 49.

6/49