Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 2 0/12
1512 - 2412 is -34.
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Related: 30/12-24/12 15/12-48/12 15/24-24/12 45/12-24/12 15/12-72/12 15/36-24/12 15/12-24/36 75/12-24/12 15/60-24/12 15/12-24/60 15/84-24/12 15/12-24/84
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