Solutions by everydaycalculation.com
1st number: 10/21, 2nd number: 4 4/9
1021 - 409 is -25063.
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Related: 20/21-40/9 10/21-80/9 10/42-40/9 10/21-40/18 30/21-40/9 10/63-40/9 10/21-40/27 50/21-40/9 10/21-40/45 70/21-40/9 10/21-40/63
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