Solutions by everydaycalculation.com
1st number: 2 0/5, 2nd number: 1/40
105 - 140 is 7940.
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Related: 20/5-1/40 10/5-2/40 10/5-1/80 30/5-1/40 10/5-3/40 10/15-1/40 50/5-1/40 10/5-5/40 10/25-1/40 70/5-1/40 10/5-7/40 10/35-1/40
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