Solutions by everydaycalculation.com
1st number: 1 3/4, 2nd number: 5/21
74 + 521 is 16784.
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Related: 14/4+5/21 7/4+10/21 7/8+5/21 7/4+5/42 21/4+5/21 7/4+15/21 7/12+5/21 7/4+5/63 35/4+5/21 7/4+25/21 7/20+5/21 49/4+5/21 7/4+35/21 7/28+5/21
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