Solutions by everydaycalculation.com
1st number: 2/15, 2nd number: 2 10/15
215 - 4015 is -3815.
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Related: 4/15-40/15 2/15-80/15 2/30-40/15 2/15-40/30 6/15-40/15 2/45-40/15 2/15-40/45 10/15-40/15 2/75-40/15 2/15-40/75 14/15-40/15
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