Solutions by everydaycalculation.com
1st number: 1/40, 2nd number: 2 8/10
140 - 2810 is -11140.
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Related: 2/40-28/10 1/40-56/10 1/80-28/10 1/40-28/20 3/40-28/10 1/40-84/10 1/40-28/30 5/40-28/10 1/40-28/50 7/40-28/10 1/40-28/70
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