Solutions by everydaycalculation.com
1st number: 3/21, 2nd number: 1 6/21
321 + 2721 is 107.
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Related: 6/21+27/21 3/21+54/21 3/42+27/21 3/21+27/42 9/21+27/21 3/21+81/21 3/63+27/21 3/21+27/63 15/21+27/21
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