Solutions by everydaycalculation.com
1st number: 2 1/2, 2nd number: 8/21
52 + 821 is 12142.
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Related: 10/2+8/21 5/2+16/21 5/4+8/21 5/2+8/42 15/2+8/21 5/2+24/21 5/6+8/21 5/2+8/63 25/2+8/21 5/2+40/21 5/10+8/21 35/2+8/21 5/2+56/21 5/14+8/21
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