Dear student,Assuming, your question is;Q 15-16⇒6-530⇒130Hope, this clears your doubt Regards

1 by 5 minus 1 by 6

D e a r s t u d e n t, A s s u m i n g, y o u r q u e s t i o n i s; Q . \frac{1}{5} - \frac{1}{6} \Rightarrow \frac{6 - 5}{30} \Rightarrow \frac{1}{30} H o p e, t h i s c l e a r s y o u r d o u b t . R e g a r d s