Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 3 0/10
1810 - 3010 is -65.
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Related: 36/10-30/10 18/10-60/10 18/20-30/10 18/10-30/20 54/10-30/10 18/10-90/10 18/30-30/10 90/10-30/10 18/50-30/10 18/10-30/50 18/70-30/10 18/10-30/70
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