Question 333501
 3y/6y +3 multiplied by 8y+4/7

solution:
3y/6y+3 *8y+4/7

=3y *(8y+4)/(6y+3)*7

= 3y*4(2y+1)/3(2y+1)*7
  3(2y+1) is common and we can cancel it
=4y/7

and the answer is 

4y/7