Verified Answer :

dln

\(\frac{9}{10} - \frac{1}{3} \\ \frac{9(3)}{10(3)}- \frac{1(10)}{3(10)} \\ \frac{27}{30}- \frac{10}{30} \\ \frac{17}{30}\)

First find the GCF of 10 and 3 --> 30

\(\frac{9}{10}\) x \(\frac{3}{3}\) = \(\frac{27}{30}\)

\(\frac{1}{3}\) x \(\frac{10}{10}\) = \(\frac{10}{30}\)

Now subract \(\frac{27}{30} - \frac{10}{30}\)

Answer = \(\frac{17}{30}\)

Reduce if possible -- cant reduce further..

answer 17/30