Question

subtract the following: 1÷15 from 3÷10

Answer 1

3/10-1/15
= 9-2/30
=7/30...-->is the answer

Answer 2

$\frac{3}{10}- \frac{1}{15} \\ \\ = \frac{3*3}{10*3} - \frac{2*1}{2*15} \\ \\ = \frac{9}{30} - \frac{2}{30} \\ \\ = \frac{9-2}{30} \\ \\ = \frac{7}{30}$