Solutions by everydaycalculation.com
1st number: 2 9/18, 2nd number: 3 9/18
4518 - 6318 is -11.
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Related: 90/18-63/18 45/36-63/18 45/18-63/36 45/54-63/18 45/18-63/54 45/90-63/18 45/18-63/90
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