Solutions by everydaycalculation.com
1st number: 10/12, 2nd number: 3 4/12
1012 - 4012 is -52.
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Related: 20/12-40/12 10/12-80/12 10/24-40/12 10/12-40/24 30/12-40/12 10/36-40/12 10/12-40/36 50/12-40/12 10/60-40/12 10/12-40/60 70/12-40/12 10/84-40/12 10/12-40/84
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