Solutions by everydaycalculation.com
1st number: 8/15, 2nd number: 7 5/10
815 - 7510 is -20930.
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Related: 16/15-75/10 8/30-75/10 8/15-75/20 24/15-75/10 8/45-75/10 8/15-75/30 40/15-75/10 8/75-75/10 8/15-75/50 56/15-75/10 8/15-75/70
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