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posted by jazzi on Tuesday, January 22, 2013 at 3:49pm.
Solve: 5 1/8-1 7/8
5 1/8 = 4 9/8 1 7/8 = 1 7/8 subtract to get 3 2/8 = 3 1/4 Not sure I'd call this pre-algebra; just 4th grade math to me. Still, I guess all arithmetic is pre-algebra.
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