Solutions by everydaycalculation.com
16 - 89 is -1318.
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Related: 2/6-8/9 1/6-16/9 1/12-8/9 1/6-8/18 3/6-8/9 1/6-24/9 1/18-8/9 1/6-8/27 5/6-8/9 1/6-40/9 1/30-8/9 1/6-8/45 7/6-8/9 1/6-56/9 1/42-8/9 1/6-8/63
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