Solutions by everydaycalculation.com
1st number: 12/18, 2nd number: 1 1/3
1218 - 43 is -23.
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Related: 24/18-4/3 12/18-8/3 12/36-4/3 12/18-4/6 36/18-4/3 12/18-12/3 12/54-4/3 12/18-4/9 60/18-4/3 12/18-20/3 12/90-4/3 12/18-4/15 84/18-4/3 12/18-28/3 12/18-4/21
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