Solutions by everydaycalculation.com
1st number: 2 6/12, 2nd number: 5 10/12
3012 - 7012 is -103.
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Related: 60/12-70/12 30/24-70/12 30/12-70/24 90/12-70/12 30/36-70/12 30/12-70/36 30/60-70/12 30/12-70/60 30/84-70/12 30/12-70/84
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