simplify 8-7/2-9/4.
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Step-by-step explanation:
LCM of 1,2 =2
8×2/1×2=16/2
16/2-7/2=16-7/2
=9/2
LCM of 2,4 = 4
9×2/2×2=18/4
18/4-9/4=18-9/4
=9/4
thus, the answer is 9/4
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