Solutions by everydaycalculation.com
1st number: 8/15, 2nd number: 1 5/15
815 - 2015 is -45.
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Related: 16/15-20/15 8/15-40/15 8/30-20/15 8/15-20/30 24/15-20/15 8/15-60/15 8/45-20/15 8/15-20/45 40/15-20/15 8/75-20/15 8/15-20/75 56/15-20/15
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