Solutions by everydaycalculation.com
1st number: 1 1/4, 2nd number: 5/7
54 + 57 is 5528.
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Related: 10/4+5/7 5/4+10/7 5/8+5/7 5/4+5/14 15/4+5/7 5/4+15/7 5/12+5/7 5/4+5/21 25/4+5/7 5/4+25/7 5/20+5/7 5/4+5/35 35/4+5/7 5/4+35/7 5/28+5/7 5/4+5/49
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