Solutions by everydaycalculation.com
1st number: 1/70, 2nd number: 1 2/14
170 - 1614 is -7970.
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Related: 2/70-16/14 1/70-32/14 1/70-16/28 3/70-16/14 1/70-48/14 1/70-16/42 5/70-16/14 1/70-80/14 1/70-16/70 7/70-16/14 1/70-16/98
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