Solutions by everydaycalculation.com
1st number: 8/21, 2nd number: 13 3/6
821 - 816 is -55142.
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Related: 16/21-81/6 8/42-81/6 8/21-81/12 24/21-81/6 8/63-81/6 8/21-81/18 40/21-81/6 8/21-81/30 56/21-81/6 8/21-81/42
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