Solutions by everydaycalculation.com
1st number: 2 0/18, 2nd number: 1 9/18
3618 - 2718 is 12.
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Related: 72/18-27/18 36/18-54/18 36/18-27/36 36/18-81/18 36/54-27/18 36/18-27/54 36/90-27/18 36/18-27/90
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