Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 1 3/5
1810 - 85 is 15.
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Related: 36/10-8/5 18/10-16/5 18/20-8/5 18/10-8/10 54/10-8/5 18/10-24/5 18/30-8/5 18/10-8/15 90/10-8/5 18/10-40/5 18/50-8/5 18/10-8/25 18/10-56/5 18/70-8/5 18/10-8/35
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