Solutions by everydaycalculation.com
1st number: 1 1/4, 2nd number: 8/21
54 + 821 is 13784.
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Related: 10/4+8/21 5/4+16/21 5/8+8/21 5/4+8/42 15/4+8/21 5/4+24/21 5/12+8/21 5/4+8/63 25/4+8/21 5/4+40/21 5/20+8/21 35/4+8/21 5/4+56/21 5/28+8/21
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