Solutions by everydaycalculation.com
1st number: 10/12, 2nd number: 1 1/3
1012 - 43 is -12.
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Related: 20/12-4/3 10/12-8/3 10/24-4/3 10/12-4/6 30/12-4/3 10/12-12/3 10/36-4/3 10/12-4/9 50/12-4/3 10/12-20/3 10/60-4/3 10/12-4/15 70/12-4/3 10/12-28/3 10/84-4/3 10/12-4/21
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