Solutions by everydaycalculation.com
1st number: 5 1/3, 2nd number: 5 3/5
163 - 285 is -415.
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Related: 32/3-28/5 16/3-56/5 16/6-28/5 16/3-28/10 48/3-28/5 16/3-84/5 16/9-28/5 16/3-28/15 80/3-28/5 16/15-28/5 16/3-28/25 16/21-28/5 16/3-28/35
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