Solutions by everydaycalculation.com
1st number: 9/40, 2nd number: 4 0/10
940 - 4010 is -15140.
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Related: 18/40-40/10 9/40-80/10 9/80-40/10 9/40-40/20 27/40-40/10 9/40-40/30 45/40-40/10 9/40-40/50 63/40-40/10 9/40-40/70
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