Solutions by everydaycalculation.com
1st number: 12/18, 2nd number: 2 4/18
1218 - 4018 is -149.
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Related: 24/18-40/18 12/18-80/18 12/36-40/18 12/18-40/36 36/18-40/18 12/54-40/18 12/18-40/54 60/18-40/18 12/90-40/18 12/18-40/90 84/18-40/18
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