Solutions by everydaycalculation.com
1st number: 10/12, 2nd number: 1 5/15
1012 - 2015 is -12.
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Related: 20/12-20/15 10/12-40/15 10/24-20/15 10/12-20/30 30/12-20/15 10/12-60/15 10/36-20/15 10/12-20/45 50/12-20/15 10/60-20/15 10/12-20/75 70/12-20/15 10/84-20/15
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