Solutions by everydaycalculation.com
1st number: 2 6/12, 2nd number: 8 2/12
3012 - 9812 is -173.
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Related: 60/12-98/12 30/24-98/12 30/12-98/24 90/12-98/12 30/36-98/12 30/12-98/36 30/60-98/12 30/12-98/60 30/84-98/12 30/12-98/84
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