Solutions by everydaycalculation.com
1st number: 2 2/3, 2nd number: 6/21
83 + 621 is 6221.
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Related: 16/3+6/21 8/3+12/21 8/6+6/21 8/3+6/42 24/3+6/21 8/3+18/21 8/9+6/21 8/3+6/63 40/3+6/21 8/3+30/21 8/15+6/21 56/3+6/21 8/3+42/21 8/21+6/21
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