40/33
120/99
0.1818
-1.21 = -121/100 and reduces to: -1 21/100
21/99
matt
21/50 = 0.42
fraction for .21 repeating = 21/99
21/99
It is 40/33 as an improper fraction in its simplest form
It is 0.9130434782608695652173 with the underlined string repeating forever.
Yes, 13.'21' repeating is a rational number because it can be expressed in the form of a fraction as 436/33
121% as a fraction in its simplest form is 121/100