Answers

2016-03-03T10:34:52+05:30
1/5of x = 6/15
x= 6/15 * 5
x= 2 so, 2 fifth are there in 6/15
   or 
you can do like this also
 6/15=(2*3)/(5*3)
          = 2/5
so there are two fifth is there
1 5 1