1/3 is a repeating number and 3/10 is 3 divided by 10.
1) Because those two numbers when divided generate those quotients:
[tex]\begin{gathered} \frac{1}{3}=0.3333\ldots.. \\ \\ \frac{3}{10}=0.3 \end{gathered}[/tex]1/3 is an irrational number a repeating one also represented as 3/9 while 3/10 is three divided by 10.
2) So, 1/3 is a repeating number and 3/10 is 3 divided by 10.