Solutions by everydaycalculation.com
1st number: 1 9/18, 2nd number: 3 9/18
2718 - 6318 is -21.
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Related: 54/18-63/18 27/36-63/18 27/18-63/36 81/18-63/18 27/54-63/18 27/18-63/54 27/90-63/18 27/18-63/90
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