Solutions by everydaycalculation.com
1st number: 1 8/12, 2nd number: 2 0/12
2012 - 2412 is -13.
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Related: 40/12-24/12 20/12-48/12 20/24-24/12 60/12-24/12 20/12-72/12 20/36-24/12 20/12-24/36 20/60-24/12 20/12-24/60 20/84-24/12 20/12-24/84
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