Solutions by everydaycalculation.com
1st number: 4 4/9, 2nd number: 6 3/7
409 - 457 is -12563.
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Related: 80/9-45/7 40/9-90/7 40/18-45/7 40/9-45/14 40/27-45/7 40/9-45/21 40/45-45/7 40/9-45/35 40/63-45/7 40/9-45/49
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