Solutions by everydaycalculation.com
1st number: 3/10, 2nd number: 1 3/5
310 - 85 is -1310.
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Related: 6/10-8/5 3/10-16/5 3/20-8/5 3/10-8/10 9/10-8/5 3/10-24/5 3/30-8/5 3/10-8/15 15/10-8/5 3/10-40/5 3/50-8/5 3/10-8/25 21/10-8/5 3/10-56/5 3/70-8/5 3/10-8/35
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