Solutions by everydaycalculation.com
1st number: 2 9/18, 2nd number: 1 9/18
4518 - 2718 is 11.
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Related: 90/18-27/18 45/18-54/18 45/36-27/18 45/18-27/36 45/18-81/18 45/54-27/18 45/18-27/54 45/90-27/18 45/18-27/90
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