Solutions by everydaycalculation.com
1st number: 2 6/12, 2nd number: 2 0/12
3012 - 2412 is 12.
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Related: 60/12-24/12 30/12-48/12 30/24-24/12 90/12-24/12 30/12-72/12 30/36-24/12 30/12-24/36 30/60-24/12 30/12-24/60 30/84-24/12 30/12-24/84
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