Solutions by everydaycalculation.com
1st number: 3/20, 2nd number: 7 5/10
320 - 7510 is -14720.
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Related: 6/20-75/10 3/40-75/10 3/20-75/20 9/20-75/10 3/60-75/10 3/20-75/30 15/20-75/10 3/20-75/50 21/20-75/10 3/20-75/70
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