Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 1 19/21
221 - 4021 is -3821.
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Related: 4/21-40/21 2/21-80/21 2/42-40/21 2/21-40/42 6/21-40/21 2/63-40/21 2/21-40/63 10/21-40/21 14/21-40/21
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