Solutions by everydaycalculation.com
1st number: 1 9/18, 2nd number: 4 9/18
2718 - 8118 is -31.
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Related: 54/18-81/18 27/36-81/18 27/18-81/36 81/18-81/18 27/54-81/18 27/18-81/54 27/90-81/18 27/18-81/90
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