Solutions by everydaycalculation.com
1st number: 1 9/12, 2nd number: 2/21
2112 - 221 is 13984.
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Related: 42/12-2/21 21/12-4/21 21/24-2/21 21/12-2/42 63/12-2/21 21/12-6/21 21/36-2/21 21/12-2/63 21/12-10/21 21/60-2/21 21/12-14/21 21/84-2/21
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