Solutions by everydaycalculation.com
1st number: 10/21, 2nd number: 1 1/9
1021 - 109 is -4063.
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Related: 20/21-10/9 10/21-20/9 10/42-10/9 10/21-10/18 30/21-10/9 10/21-30/9 10/63-10/9 10/21-10/27 50/21-10/9 10/21-50/9 10/21-10/45 70/21-10/9 10/21-70/9 10/21-10/63
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