Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 8/10
1810 - 810 is 11.
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Related: 36/10-8/10 18/10-16/10 18/20-8/10 18/10-8/20 54/10-8/10 18/10-24/10 18/30-8/10 18/10-8/30 90/10-8/10 18/10-40/10 18/50-8/10 18/10-8/50 18/10-56/10 18/70-8/10 18/10-8/70
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