No.
Yes, since 350 and 840 are NOT relatively prime. 350/840 will be reduced to 5/12.
It is 7 over 3, or 2 and 1 over 3.
The fraction 1997/200 cannot be reduced any more.
197/1000 or 197 over 1000.
28 over 197 can be expressed as a fraction that is 0.142.
28 / 197 .... it does not reduce
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 2, 394/1000 is equal to 197/500.
197 over 17 cannot be simplified any further since 197 and 17 do not have any common factors (other than 1). Therefore, 197 over 17 is already in simplest form.
197/25 is already in its simplest form and as a decimal it is 7.88
36.84%
7/20
1.97