Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 7 0/12
2112 - 8412 is -214.
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Related: 42/12-84/12 21/24-84/12 21/12-84/24 63/12-84/12 21/36-84/12 21/12-84/36 21/60-84/12 21/12-84/60 21/84-84/12
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