Solutions by everydaycalculation.com
1st number: 7/28, 2nd number: 1 3/7
728 + 107 is 4728.
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Related: 14/28+10/7 7/28+20/7 7/56+10/7 7/28+10/14 21/28+10/7 7/28+30/7 7/84+10/7 7/28+10/21 35/28+10/7 7/28+50/7 7/28+10/35 49/28+10/7 7/28+70/7 7/28+10/49
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