Solutions by everydaycalculation.com
1st number: 1 12/18, 2nd number: 2 9/18
3018 - 4518 is -56.
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Related: 60/18-45/18 30/18-90/18 30/36-45/18 30/18-45/36 90/18-45/18 30/54-45/18 30/18-45/54 30/90-45/18 30/18-45/90
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