Solutions by everydaycalculation.com
16 - 18 is 124.
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Related: 2/6-1/8 1/6-2/8 1/12-1/8 1/6-1/16 3/6-1/8 1/6-3/8 1/18-1/8 1/6-1/24 5/6-1/8 1/6-5/8 1/30-1/8 1/6-1/40 7/6-1/8 1/6-7/8 1/42-1/8 1/6-1/56
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