Solutions by everydaycalculation.com
1st number: 20/21, 2nd number: 1 7/14
2021 - 2114 is -2342.
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Related: 40/21-21/14 20/21-42/14 20/42-21/14 20/21-21/28 60/21-21/14 20/21-63/14 20/63-21/14 20/21-21/42 20/21-21/70 20/21-21/98
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