Solutions by everydaycalculation.com
1st number: 4 4/9, 2nd number: 6 6/9
409 - 609 is -209.
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Related: 80/9-60/9 40/18-60/9 40/9-60/18 40/27-60/9 40/9-60/27 40/45-60/9 40/9-60/45 40/63-60/9 40/9-60/63
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