Solutions by everydaycalculation.com
1st number: 1 2/12, 2nd number: 3 6/12
1412 - 4212 is -73.
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Related: 28/12-42/12 14/12-84/12 14/24-42/12 14/12-42/24 42/12-42/12 14/36-42/12 14/12-42/36 70/12-42/12 14/60-42/12 14/12-42/60 98/12-42/12 14/84-42/12 14/12-42/84
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