The difference of the given fraction is expressed as 
Given the expression:
Take the LCM of the fraction to have:

Hence the difference of the given fraction is expressed as 
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Gggggggggggggggggggggggggggggggggggggggg
Answer:
0
Step-by-step explanation:
0 is the center of -4 and 4
The sum in sigma notation for the sequence will be as follows:
From
<span>5 + 10 + 15 + 20 + 25 + 30 + 35 + 40 + 45 + 50
first term=5
common difference=5
number of terms=10
n=nth term
thus the sum will be:
(i=2 to 10)</span>∑(5(n-1)+5)