Solutions by everydaycalculation.com
1st number: 8/10, 2nd number: 1 1/15
810 - 1615 is -415.
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Related: 16/10-16/15 8/10-32/15 8/20-16/15 8/10-16/30 24/10-16/15 8/10-48/15 8/30-16/15 8/10-16/45 40/10-16/15 8/10-80/15 8/50-16/15 8/10-16/75 56/10-16/15 8/70-16/15
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