Solutions by everydaycalculation.com
1st number: 3 3/8, 2nd number: 4 4/9
278 - 409 is -7772.
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Related: 54/8-40/9 27/8-80/9 27/16-40/9 27/8-40/18 81/8-40/9 27/24-40/9 27/8-40/27 27/40-40/9 27/8-40/45 27/56-40/9 27/8-40/63
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