Solutions by everydaycalculation.com
1st number: 15/40, 2nd number: 2 4/10
1540 - 2410 is -8140.
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Related: 30/40-24/10 15/40-48/10 15/80-24/10 15/40-24/20 45/40-24/10 15/40-72/10 15/40-24/30 75/40-24/10 15/40-24/50 15/40-24/70
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