Solutions by everydaycalculation.com
1st number: 1 1/3, 2nd number: 12/21
43 + 1221 is 4021.
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Related: 8/3+12/21 4/3+24/21 4/6+12/21 4/3+12/42 12/3+12/21 4/3+36/21 4/9+12/21 4/3+12/63 20/3+12/21 4/3+60/21 4/15+12/21 28/3+12/21 4/3+84/21 4/21+12/21
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