Solutions by everydaycalculation.com
1st number: 10/21, 2nd number: 11 4/7
1021 - 817 is -23321.
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Related: 20/21-81/7 10/42-81/7 10/21-81/14 30/21-81/7 10/63-81/7 10/21-81/21 50/21-81/7 10/21-81/35 70/21-81/7 10/21-81/49
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