Solutions by everydaycalculation.com
1st number: 3/20, 2nd number: 5 10/12
320 - 7012 is -34160.
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Related: 6/20-70/12 3/40-70/12 3/20-70/24 9/20-70/12 3/60-70/12 3/20-70/36 15/20-70/12 3/20-70/60 21/20-70/12 3/20-70/84
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