Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 2/3
2112 - 23 is 1312.
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Related: 42/12-2/3 21/12-4/3 21/24-2/3 21/12-2/6 63/12-2/3 21/12-6/3 21/36-2/3 21/12-2/9 21/12-10/3 21/60-2/3 21/12-2/15 21/12-14/3 21/84-2/3 21/12-2/21
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