Solutions by everydaycalculation.com
23 - 16 is 12.
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Related: 4/3-1/6 2/3-2/6 2/6-1/6 2/3-1/12 6/3-1/6 2/3-3/6 2/9-1/6 2/3-1/18 10/3-1/6 2/3-5/6 2/15-1/6 2/3-1/30 14/3-1/6 2/3-7/6 2/21-1/6 2/3-1/42
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