Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 2/12
2112 - 212 is 1912.
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Related: 42/12-2/12 21/12-4/12 21/24-2/12 21/12-2/24 63/12-2/12 21/12-6/12 21/36-2/12 21/12-2/36 21/12-10/12 21/60-2/12 21/12-2/60 21/12-14/12 21/84-2/12 21/12-2/84
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