Solutions by everydaycalculation.com
1st number: 3 1/2, 2nd number: 5 5/7
72 + 407 is 12914.
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Related: 14/2+40/7 7/2+80/7 7/4+40/7 7/2+40/14 21/2+40/7 7/6+40/7 7/2+40/21 35/2+40/7 7/10+40/7 7/2+40/35 49/2+40/7 7/14+40/7 7/2+40/49
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