Question 313576
First change the mixed number to a fraction.
{{{4+1/2=8/2+1/2=(8+1)/2=9/2}}}
Dividing by a fraction is the same as multiplying by its reciprocal.
{{{(9/2)/(7/8)=(9/2)*(8/7)}}}
{{{(9/2)/(7/8)=(9/1)*(4/7)}}}
{{{(9/2)/(7/8)=36/7}}}