Solutions by everydaycalculation.com
1st number: 2 6/12, 2nd number: 7 6/12
3012 - 9012 is -51.
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Related: 60/12-90/12 30/24-90/12 30/12-90/24 90/12-90/12 30/36-90/12 30/12-90/36 30/60-90/12 30/12-90/60 30/84-90/12 30/12-90/84
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