Solutions by everydaycalculation.com
1st number: 6/20, 2nd number: 2 11/12
620 - 3512 is -15760.
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Related: 12/20-35/12 6/20-70/12 6/40-35/12 6/20-35/24 18/20-35/12 6/60-35/12 6/20-35/36 30/20-35/12 6/20-35/60 42/20-35/12 6/20-35/84
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