The greatest sum, difference, product and quotient is 9, 12, 90 and 26 respectively.
<h3>How to determine the operations</h3>
Given the numbers -5 1/2, 3. 75, -20. 8, -4, 11 1/4
a. SUM
=8 + 
= 
= 
= 
= 9
B. Difference
= 8 - (-4)
= 8 + 4
= 12
C. Product
= 
= 
= 90
D. Quotient
= 
= 26
Thus, the greatest sum, difference, product and quotient is 9, 12, 90 and 26 respectively.
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