Solutions by everydaycalculation.com
1st number: 3/20, 2nd number: 9 0/10
320 - 9010 is -17720.
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Related: 6/20-90/10 3/40-90/10 3/20-90/20 9/20-90/10 3/60-90/10 3/20-90/30 15/20-90/10 3/20-90/50 21/20-90/10 3/20-90/70
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