Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 2 1/12
1512 - 2512 is -56.
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Related: 30/12-25/12 15/12-50/12 15/24-25/12 15/12-25/24 45/12-25/12 15/12-75/12 15/36-25/12 15/12-25/36 75/12-25/12 15/60-25/12 15/12-25/60 15/84-25/12 15/12-25/84
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