Solutions by everydaycalculation.com
1st number: 3 0/3, 2nd number: 5/21
93 + 521 is 6821.
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Related: 18/3+5/21 9/3+10/21 9/6+5/21 9/3+5/42 27/3+5/21 9/3+15/21 9/3+5/63 45/3+5/21 9/3+25/21 9/15+5/21 63/3+5/21 9/3+35/21 9/21+5/21
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