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Verified Answer :

c - 1  1/4 > -2  1/2

c > 1  1/4  - 2  1/2


1  1/4 to improper fraction = (41 + 1)/4 = 5/4    

2  1/2 to improper fraction = (2
2 + 1)/4 = 5/2

c > 1  1/4  - 2  1/2

c > 5/4  - 5/2                                5/2 = (52)/(22) = 10/4

c > 5/4  - 10/4

 c > (5  - 10)/4 

 c > -5/4 

Hope this helps.