Solutions by everydaycalculation.com
1st number: 8/10, 2nd number: 2 4/10
810 - 2410 is -85.
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Related: 16/10-24/10 8/10-48/10 8/20-24/10 8/10-24/20 24/10-24/10 8/10-72/10 8/30-24/10 8/10-24/30 40/10-24/10 8/50-24/10 8/10-24/50 56/10-24/10 8/70-24/10 8/10-24/70
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