Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 8/9
2112 - 89 is 3136.
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Related: 42/12-8/9 21/12-16/9 21/24-8/9 21/12-8/18 63/12-8/9 21/12-24/9 21/36-8/9 21/12-8/27 21/12-40/9 21/60-8/9 21/12-8/45 21/12-56/9 21/84-8/9 21/12-8/63
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