Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 1/21
2112 - 121 is 14384.
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Related: 42/12-1/21 21/12-2/21 21/24-1/21 21/12-1/42 63/12-1/21 21/12-3/21 21/36-1/21 21/12-1/63 21/12-5/21 21/60-1/21 21/12-7/21 21/84-1/21
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