Solutions by everydaycalculation.com
1st number: 1 2/3, 2nd number: 4/7
53 + 47 is 4721.
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Related: 10/3+4/7 5/3+8/7 5/6+4/7 5/3+4/14 15/3+4/7 5/3+12/7 5/9+4/7 5/3+4/21 25/3+4/7 5/3+20/7 5/15+4/7 5/3+4/35 35/3+4/7 5/3+28/7 5/21+4/7 5/3+4/49
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