Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 8/12
2112 - 812 is 1312.
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Related: 42/12-8/12 21/12-16/12 21/24-8/12 21/12-8/24 63/12-8/12 21/12-24/12 21/36-8/12 21/12-8/36 21/12-40/12 21/60-8/12 21/12-8/60 21/12-56/12 21/84-8/12 21/12-8/84
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