Solutions by everydaycalculation.com
1st number: 1 2/8, 2nd number: 1 3/5
108 - 85 is -720.
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Related: 20/8-8/5 10/8-16/5 10/16-8/5 10/8-8/10 30/8-8/5 10/8-24/5 10/24-8/5 10/8-8/15 50/8-8/5 10/8-40/5 10/40-8/5 10/8-8/25 70/8-8/5 10/8-56/5 10/56-8/5 10/8-8/35
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