Solutions by everydaycalculation.com
1st number: 1/42, 2nd number: 5 5/7
142 - 407 is -23942.
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Related: 2/42-40/7 1/42-80/7 1/84-40/7 1/42-40/14 3/42-40/7 1/42-40/21 5/42-40/7 1/42-40/35 7/42-40/7 1/42-40/49
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