Solutions by everydaycalculation.com
1st number: 2/15, 2nd number: 10 0/5
215 - 505 is -14815.
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Related: 4/15-50/5 2/30-50/5 2/15-50/10 6/15-50/5 2/45-50/5 2/15-50/15 10/15-50/5 2/75-50/5 2/15-50/25 14/15-50/5 2/15-50/35
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