Solutions by everydaycalculation.com
1st number: 2 10/15, 2nd number: 3 1/5
4015 - 165 is -815.
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Related: 80/15-16/5 40/15-32/5 40/30-16/5 40/15-16/10 40/15-48/5 40/45-16/5 40/15-16/15 40/15-80/5 40/75-16/5 40/15-16/25 40/15-16/35
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