5/143 cannot be simplified further.
That can't be simplified - 143 and 20 have no common factors.
Already simplified!
No, it is already in reduced fraction form.
it can not be simplified
19/5 cannot be simplified.
69/5 is already a simplified fraction.
222/5 cannot be simplified further.
5/24 is already simplified
143
Well, darling, 286 over 1000 simplified is 143 over 500. It's like reducing a recipe - just divide the top and bottom by 2 until you can't anymore. Voila, a fraction that's as simplified as a Sunday morning in your favorite pajamas.
8 over 20 simplified is 2 over 5
14 over 5 may not be simplified. As a mixed number it would be 2 and 4/5.