Solutions by everydaycalculation.com
16 - 56 is -23.
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Related: 2/6-5/6 1/6-10/6 1/12-5/6 1/6-5/12 3/6-5/6 1/6-15/6 1/18-5/6 1/6-5/18 5/6-5/6 1/6-25/6 1/30-5/6 1/6-5/30 7/6-5/6 1/6-35/6 1/42-5/6 1/6-5/42
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