Solutions by everydaycalculation.com
1st number: 8/10, 2nd number: 7 5/10
810 - 7510 is -6710.
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Related: 16/10-75/10 8/20-75/10 8/10-75/20 24/10-75/10 8/30-75/10 8/10-75/30 40/10-75/10 8/50-75/10 8/10-75/50 56/10-75/10 8/70-75/10 8/10-75/70
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