Solutions by everydaycalculation.com
1st number: 1 1/3, 2nd number: 12 4/5
43 - 645 is -17215.
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Related: 8/3-64/5 4/6-64/5 4/3-64/10 12/3-64/5 4/9-64/5 4/3-64/15 20/3-64/5 4/15-64/5 4/3-64/25 28/3-64/5 4/21-64/5 4/3-64/35
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