Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 2 8/10
310 - 2810 is -52.
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Related: 6/10-28/10 3/10-56/10 3/20-28/10 3/10-28/20 9/10-28/10 3/10-84/10 3/30-28/10 3/10-28/30 15/10-28/10 3/50-28/10 3/10-28/50 21/10-28/10 3/70-28/10 3/10-28/70
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