Question 250914
Hello, 
Let's write it as:
11/6p-7/4p When dealing with fractions that are added or subtracted we need the same denominator. Multiply the first fraction by 2/2 and the second by 3/3 gives us: 
22/12p-21/12p Now we can subtract these to get:
1/12p  That's the answer. 
Make sense?
RJ 
Check out my book at www.math-unlock.com