Question

what is 1/3 - 3/10 fully reduced

Answer 1

The answer to your question would be 1/30

Answer 2

$\displaystyle {\frac{1}{3}}^{(10} + {\frac{3}{10}}^{(3} = \\ \\ \\ \frac{10}{30} - \frac{9}{30}= \\ \\ \\ \frac{1}{30}$