Solutions by everydaycalculation.com
1st number: 2 4/6, 2nd number: 7 0/6
166 - 426 is -133.
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Related: 32/6-42/6 16/6-84/6 16/12-42/6 16/6-42/12 48/6-42/6 16/18-42/6 16/6-42/18 80/6-42/6 16/30-42/6 16/6-42/30 16/42-42/6
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