Solutions by everydaycalculation.com
1st number: 4 0/3, 2nd number: 20/21
123 - 2021 is 6421.
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Related: 24/3-20/21 12/3-40/21 12/6-20/21 12/3-20/42 36/3-20/21 12/3-60/21 12/9-20/21 12/3-20/63 60/3-20/21 12/15-20/21 84/3-20/21 12/21-20/21
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