Solutions by everydaycalculation.com
1st number: 2 6/12, 2nd number: 4 0/12
3012 - 4812 is -32.
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Related: 60/12-48/12 30/12-96/12 30/24-48/12 30/12-48/24 90/12-48/12 30/36-48/12 30/12-48/36 30/60-48/12 30/12-48/60 30/84-48/12 30/12-48/84
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