Solutions by everydaycalculation.com
1st number: 9/10, 2nd number: 2 5/10
910 - 2510 is -85.
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Related: 18/10-25/10 9/10-50/10 9/20-25/10 9/10-25/20 27/10-25/10 9/10-75/10 9/30-25/10 9/10-25/30 45/10-25/10 9/50-25/10 9/10-25/50 63/10-25/10 9/70-25/10 9/10-25/70
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