Solutions by everydaycalculation.com
1st number: 5/18, 2nd number: 1 3/5
518 - 85 is -11990.
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Related: 10/18-8/5 5/18-16/5 5/36-8/5 5/18-8/10 15/18-8/5 5/18-24/5 5/54-8/5 5/18-8/15 25/18-8/5 5/18-40/5 5/90-8/5 5/18-8/25 35/18-8/5 5/18-56/5 5/18-8/35
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