Solutions by everydaycalculation.com
1st number: 2 4/5, 2nd number: 5/21
145 + 521 is 319105.
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Related: 28/5+5/21 14/5+10/21 14/10+5/21 14/5+5/42 42/5+5/21 14/5+15/21 14/15+5/21 14/5+5/63 70/5+5/21 14/5+25/21 14/25+5/21 98/5+5/21 14/5+35/21 14/35+5/21
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