Solutions by everydaycalculation.com
1st number: 10/12, 2nd number: 1 3/5
1012 - 85 is -2330.
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Related: 20/12-8/5 10/12-16/5 10/24-8/5 10/12-8/10 30/12-8/5 10/12-24/5 10/36-8/5 10/12-8/15 50/12-8/5 10/12-40/5 10/60-8/5 10/12-8/25 70/12-8/5 10/12-56/5 10/84-8/5 10/12-8/35
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