Answer:

Step-by-step explanation:
we need to find the difference of fraction using number line
Given fractions 
First we make their denominator same,
Multiply numerator and denominator of
by 4 and Multiply numerator and denominator of
by 5
and 
and 
Now, denominator are same so we can subtract easily

take L.C.M 20 of above expression,


we can see this in figure-1
It can easily observe from figure that, there is 11 units difference between 4 and 15