Solutions by everydaycalculation.com
1st number: 12/21, 2nd number: 1 15/21
1221 + 3621 is 167.
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Related: 24/21+36/21 12/21+72/21 12/42+36/21 12/21+36/42 36/21+36/21 12/63+36/21 12/21+36/63 60/21+36/21 84/21+36/21
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