296/21 is in its simplest form.
296/375 cannot be simplified.
296 over 27 is already in simplest form as a fraction. It can also be expressed as a mixed number: 1026/27
17.204650534085253543458947070099
296
296
Simplest form
3/7 is in its simplest form.
0.296 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 296/1000. You can simplify this rational fraction if you so wish.
1/4 is in its simplest form.
It is already in simplest form.
16/13 is in its simplest form.