Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 1 19/21
121 - 4021 is -137.
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Related: 2/21-40/21 1/21-80/21 1/42-40/21 1/21-40/42 3/21-40/21 1/63-40/21 1/21-40/63 5/21-40/21 7/21-40/21
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