No - since the numerator and denominator of the fraction can be divided by 14, 70/84 can be cancelled down to 5/6 or five sixths.
70/83 is already in its simplest form
41 over 70 (41/70) is already in Simplest Form
13 over 70 is already in simplest form, 13 is a prime number (can't be divided into a integers beside 1 and 13).
Since the numbers 27 and 70 share no common positive integer factors other than 1, the proper fraction 27/70 is already expressed in simplest form.
Since the numerator of the fraction is prime, and not a factor of the denominator, the proper fraction 41/70 is already expressed in its simplest form.
70/9 is in its simplest form.
47/70 is in its simplest form.
4 over 70 in the simplest form is 2 over 35
98/70 = 118/70 = 19/35 which is the simplest form.
13/70 is in its simplest form.
39/70 is the simplest form, unless 0.557 is acceptable
It is 10/11 in its simplest form