Solutions by everydaycalculation.com
18 - 1516 is -1316.
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Related: 2/8-15/16 1/8-30/16 1/16-15/16 1/8-15/32 3/8-15/16 1/8-45/16 1/24-15/16 1/8-15/48 5/8-15/16 1/8-75/16 1/40-15/16 1/8-15/80 7/8-15/16 1/56-15/16
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