Solutions by everydaycalculation.com
1st number: 3/20, 2nd number: 3 5/10
320 - 3510 is -6720.
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Related: 6/20-35/10 3/20-70/10 3/40-35/10 3/20-35/20 9/20-35/10 3/60-35/10 3/20-35/30 15/20-35/10 3/20-35/50 21/20-35/10 3/20-35/70
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