Solutions by everydaycalculation.com
1st number: 16/18, 2nd number: 1 9/18
1618 - 2718 is -1118.
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Related: 32/18-27/18 16/18-54/18 16/36-27/18 16/18-27/36 48/18-27/18 16/18-81/18 16/54-27/18 16/18-27/54 80/18-27/18 16/90-27/18 16/18-27/90
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