Solutions by everydaycalculation.com
1st number: 6/12, 2nd number: 5 10/12
612 - 7012 is -163.
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Related: 6/24-70/12 6/12-70/24 18/12-70/12 6/36-70/12 6/12-70/36 30/12-70/12 6/60-70/12 6/12-70/60 42/12-70/12 6/84-70/12 6/12-70/84
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