Solutions by everydaycalculation.com
1st number: 2/3, 2nd number: 1 3/21
23 - 2421 is -1021.
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Related: 4/3-24/21 2/3-48/21 2/6-24/21 2/3-24/42 6/3-24/21 2/3-72/21 2/9-24/21 2/3-24/63 10/3-24/21 2/15-24/21 14/3-24/21 2/21-24/21
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