Solutions by everydaycalculation.com
1st number: 8/20, 2nd number: 2 11/12
820 - 3512 is -15160.
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Related: 16/20-35/12 8/20-70/12 8/40-35/12 8/20-35/24 24/20-35/12 8/60-35/12 8/20-35/36 40/20-35/12 8/20-35/60 56/20-35/12 8/20-35/84
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