Solutions by everydaycalculation.com
1st number: 1 9/21, 2nd number: 12/21
3021 + 1221 is 21.
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Related: 60/21+12/21 30/21+24/21 30/42+12/21 30/21+12/42 90/21+12/21 30/21+36/21 30/63+12/21 30/21+12/63 30/21+60/21 30/21+84/21
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