Solutions by everydaycalculation.com
1st number: 3 4/12, 2nd number: 4/12
4012 - 412 is 31.
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Related: 80/12-4/12 40/12-8/12 40/24-4/12 40/12-4/24 40/36-4/12 40/12-4/36 40/12-20/12 40/60-4/12 40/12-4/60 40/12-28/12 40/84-4/12 40/12-4/84
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