Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 8 1/10
1810 - 8110 is -6310.
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Related: 36/10-81/10 18/20-81/10 18/10-81/20 54/10-81/10 18/30-81/10 18/10-81/30 90/10-81/10 18/50-81/10 18/10-81/50 18/70-81/10 18/10-81/70
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