Solutions by everydaycalculation.com
1st number: 1 2/3, 2nd number: 1 19/21
53 - 4021 is -521.
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Related: 10/3-40/21 5/3-80/21 5/6-40/21 5/3-40/42 15/3-40/21 5/9-40/21 5/3-40/63 25/3-40/21 5/15-40/21 35/3-40/21 5/21-40/21
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