Solutions by everydaycalculation.com
1st number: 1 2/12, 2nd number: 1 9/12
1412 - 2112 is -712.
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Related: 28/12-21/12 14/12-42/12 14/24-21/12 14/12-21/24 42/12-21/12 14/12-63/12 14/36-21/12 14/12-21/36 70/12-21/12 14/60-21/12 14/12-21/60 98/12-21/12 14/84-21/12 14/12-21/84
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