Solutions by everydaycalculation.com
1st number: 2 0/3, 2nd number: 8/21
63 - 821 is 3421.
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Related: 12/3-8/21 6/3-16/21 6/3-8/42 18/3-8/21 6/3-24/21 6/9-8/21 6/3-8/63 30/3-8/21 6/3-40/21 6/15-8/21 42/3-8/21 6/3-56/21 6/21-8/21
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