Solutions by everydaycalculation.com
1st number: 1 8/12, 2nd number: 3/20
2012 - 320 is 9160.
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Related: 40/12-3/20 20/12-6/20 20/24-3/20 20/12-3/40 60/12-3/20 20/12-9/20 20/36-3/20 20/12-3/60 20/12-15/20 20/60-3/20 20/12-21/20 20/84-3/20
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