Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 7 5/10
1810 - 7510 is -5710.
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Related: 36/10-75/10 18/20-75/10 18/10-75/20 54/10-75/10 18/30-75/10 18/10-75/30 90/10-75/10 18/50-75/10 18/10-75/50 18/70-75/10 18/10-75/70
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