Solutions by everydaycalculation.com
1st number: 1/42, 2nd number: 3 0/6
142 - 186 is -12542.
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Related: 2/42-18/6 1/42-36/6 1/84-18/6 1/42-18/12 3/42-18/6 1/42-54/6 5/42-18/6 1/42-90/6 1/42-18/30 7/42-18/6 1/42-18/42
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